diff --git a/src/components/dialog/content/manager/PackInstallButton.vue b/src/components/dialog/content/manager/PackInstallButton.vue
deleted file mode 100644
index 3bff8721e..000000000
--- a/src/components/dialog/content/manager/PackInstallButton.vue
+++ /dev/null
@@ -1,24 +0,0 @@
-<template>
-  <Button
-    outlined
-    class="m-0 p-0 rounded-lg border-neutral-700"
-    severity="secondary"
-    :class="{
-      'w-full': fullWidth,
-      'w-min-content': !fullWidth
-    }"
-  >
-    <span class="py-2.5 px-3">
-      {{ multi ? $t('manager.installSelected') : $t('g.install') }}
-    </span>
-  </Button>
-</template>
-
-<script setup lang="ts">
-import Button from 'primevue/button'
-
-defineProps<{
-  fullWidth?: boolean
-  multi?: boolean
-}>()
-</script>
diff --git a/src/components/dialog/content/manager/PackVersionBadge.vue b/src/components/dialog/content/manager/PackVersionBadge.vue
index bd30a91e5..a957bd8ea 100644
--- a/src/components/dialog/content/manager/PackVersionBadge.vue
+++ b/src/components/dialog/content/manager/PackVersionBadge.vue
@@ -1,8 +1,7 @@
 <template>
   <div class="relative">
     <Button
-      v-if="displayVersion"
-      :label="displayVersion"
+      :label="installedVersion"
       severity="secondary"
       icon="pi pi-chevron-right"
       icon-pos="right"
@@ -22,44 +21,40 @@
       }"
     >
       <PackVersionSelectorPopover
-        :selected-version="selectedVersion"
+        :installed-version="installedVersion"
         :node-pack="nodePack"
-        @select="onSelect"
         @cancel="closeVersionSelector"
-        @apply="applyVersionSelection"
+        @submit="closeVersionSelector"
       />
     </Popover>
   </div>
 </template>
 
 <script setup lang="ts">
-import { whenever } from '@vueuse/core'
 import Button from 'primevue/button'
 import Popover from 'primevue/popover'
 import { computed, ref } from 'vue'
 
 import PackVersionSelectorPopover from '@/components/dialog/content/manager/PackVersionSelectorPopover.vue'
+import { useComfyManagerStore } from '@/stores/comfyManagerStore'
 import { SelectedVersion } from '@/types/comfyManagerTypes'
 import { components } from '@/types/comfyRegistryTypes'
 
-const { nodePack, version = SelectedVersion.NIGHTLY } = defineProps<{
+const { nodePack } = defineProps<{
   nodePack: components['schemas']['Node']
-  version?: string
-}>()
-
-const emit = defineEmits<{
-  'update:version': [version: string]
 }>()
 
 const popoverRef = ref()
-const selectedVersion = ref<string>(version)
 
-const displayVersion = computed(() => {
-  if (selectedVersion.value === SelectedVersion.LATEST) {
-    // If there is no version, treat as unclaimed GitHub pack and use nightly
-    return nodePack?.latest_version?.version || SelectedVersion.NIGHTLY
-  }
-  return selectedVersion.value
+const managerStore = useComfyManagerStore()
+
+const installedVersion = computed(() => {
+  if (!nodePack.id) return SelectedVersion.NIGHTLY
+  return (
+    managerStore.installedPacks[nodePack.id]?.ver ??
+    nodePack.latest_version?.version ??
+    SelectedVersion.NIGHTLY
+  )
 })
 
 const toggleVersionSelector = (event: Event) => {
@@ -69,17 +64,4 @@ const toggleVersionSelector = (event: Event) => {
 const closeVersionSelector = () => {
   popoverRef.value.hide()
 }
-
-const onSelect = (newVersion: string) => {
-  selectedVersion.value = newVersion
-}
-
-const applyVersionSelection = (newVersion: string) => {
-  selectedVersion.value = newVersion
-  emit('update:version', newVersion)
-  // TODO: after manager store added, install the pack here
-  closeVersionSelector()
-}
-
-whenever(() => version, onSelect)
 </script>
diff --git a/src/components/dialog/content/manager/PackVersionSelectorPopover.vue b/src/components/dialog/content/manager/PackVersionSelectorPopover.vue
index 2e4730d1f..d635c42e4 100644
--- a/src/components/dialog/content/manager/PackVersionSelectorPopover.vue
+++ b/src/components/dialog/content/manager/PackVersionSelectorPopover.vue
@@ -4,7 +4,7 @@
       {{ $t('manager.selectVersion') }}
     </span>
     <div
-      v-if="isLoading"
+      v-if="isLoadingVersions || isQueueing"
       class="text-center text-muted py-4 flex flex-col items-center"
     >
       <ProgressSpinner class="w-8 h-8 mb-2" />
@@ -20,7 +20,7 @@
     </div>
     <Listbox
       v-else
-      v-model="currentSelection"
+      v-model="selectedVersion"
       option-label="label"
       option-value="value"
       :options="allVersionOptions"
@@ -31,9 +31,9 @@
         <div class="flex justify-between items-center w-full p-1">
           <span>{{ slotProps.option.label }}</span>
           <i
-            v-if="currentSelection === slotProps.option.value"
+            v-if="selectedVersion === slotProps.option.value"
             class="pi pi-check text-highlight"
-          ></i>
+          />
         </div>
       </template>
     </Listbox>
@@ -43,46 +43,61 @@
         text
         severity="secondary"
         :label="$t('g.cancel')"
+        :disabled="isQueueing"
         @click="emit('cancel')"
       />
       <Button
         severity="secondary"
         :label="$t('g.install')"
-        @click="emit('apply', currentSelection ?? SelectedVersion.LATEST)"
         class="py-3 px-4 dark-theme:bg-unset bg-black/80 dark-theme:text-unset text-neutral-100 rounded-lg"
+        :disabled="isQueueing"
+        @click="handleSubmit"
       />
     </div>
   </div>
 </template>
 
 <script setup lang="ts">
-import { useAsyncState } from '@vueuse/core'
+import { useAsyncState, whenever } from '@vueuse/core'
 import Button from 'primevue/button'
 import Listbox from 'primevue/listbox'
 import ProgressSpinner from 'primevue/progressspinner'
-import { computed, ref, watch } from 'vue'
+import { computed, onMounted, onUnmounted, ref } from 'vue'
 import { useI18n } from 'vue-i18n'
 
 import ContentDivider from '@/components/common/ContentDivider.vue'
 import NoResultsPlaceholder from '@/components/common/NoResultsPlaceholder.vue'
 import { useComfyRegistryService } from '@/services/comfyRegistryService'
-import { SelectedVersion } from '@/types/comfyManagerTypes'
+import { useComfyManagerStore } from '@/stores/comfyManagerStore'
+import {
+  ManagerChannel,
+  ManagerDatabaseSource,
+  SelectedVersion
+} from '@/types/comfyManagerTypes'
 import { components } from '@/types/comfyRegistryTypes'
 
-const { nodePack, selectedVersion = SelectedVersion.NIGHTLY } = defineProps<{
+const { nodePack } = defineProps<{
   nodePack: components['schemas']['Node']
-  selectedVersion?: string
 }>()
 
 const emit = defineEmits<{
   cancel: []
-  apply: [version: string]
+  submit: []
 }>()
 
 const { t } = useI18n()
 const registryService = useComfyRegistryService()
+const managerStore = useComfyManagerStore()
 
-const currentSelection = ref<string>(selectedVersion)
+const isQueueing = ref(false)
+
+const selectedVersion = ref<string>(SelectedVersion.LATEST)
+onMounted(() => {
+  selectedVersion.value =
+    nodePack.publisher?.name === 'Unclaimed'
+      ? SelectedVersion.NIGHTLY
+      : nodePack.latest_version?.version ?? SelectedVersion.NIGHTLY
+})
 
 const fetchVersions = async () => {
   if (!nodePack?.id) return []
@@ -90,21 +105,29 @@ const fetchVersions = async () => {
 }
 
 const {
-  isLoading,
+  isLoading: isLoadingVersions,
   state: versions,
   execute: startFetchVersions
 } = useAsyncState(fetchVersions, [])
 
-const specialOptions = computed(() => [
-  {
-    value: SelectedVersion.NIGHTLY,
-    label: t('manager.nightlyVersion')
-  },
-  {
-    value: SelectedVersion.LATEST,
-    label: t('manager.latestVersion')
+const specialOptions = computed(() => {
+  const options = [
+    {
+      value: SelectedVersion.LATEST,
+      label: t('manager.latestVersion')
+    }
+  ]
+
+  // Only include nightly option if there is a repo
+  if (nodePack.repository?.length) {
+    options.push({
+      value: SelectedVersion.NIGHTLY,
+      label: t('manager.nightlyVersion')
+    })
   }
-])
+
+  return options
+})
 
 const versionOptions = computed(() =>
   versions.value.map((version) => ({
@@ -118,9 +141,28 @@ const allVersionOptions = computed(() => [
   ...versionOptions.value
 ])
 
-watch(
-  () => nodePack,
+whenever(
+  () => nodePack.id,
   () => startFetchVersions(),
   { deep: true }
 )
+
+const handleSubmit = async () => {
+  isQueueing.value = true
+  await managerStore.installPack.call({
+    id: nodePack.id,
+    repository: nodePack.repository ?? '',
+    channel: ManagerChannel.DEFAULT,
+    mode: ManagerDatabaseSource.CACHE,
+    version: selectedVersion.value,
+    selected_version: selectedVersion.value
+  })
+
+  isQueueing.value = false
+  emit('submit')
+}
+
+onUnmounted(() => {
+  managerStore.installPack.clear()
+})
 </script>
diff --git a/src/components/dialog/content/manager/__tests__/PackVersionBadge.test.ts b/src/components/dialog/content/manager/__tests__/PackVersionBadge.test.ts
index 47c555aff..2cb5262d7 100644
--- a/src/components/dialog/content/manager/__tests__/PackVersionBadge.test.ts
+++ b/src/components/dialog/content/manager/__tests__/PackVersionBadge.test.ts
@@ -2,8 +2,7 @@ import { VueWrapper, mount } from '@vue/test-utils'
 import { createPinia } from 'pinia'
 import Button from 'primevue/button'
 import PrimeVue from 'primevue/config'
-import Popover from 'primevue/popover'
-import { describe, expect, it, vi } from 'vitest'
+import { beforeEach, describe, expect, it, vi } from 'vitest'
 import { nextTick } from 'vue'
 import { createI18n } from 'vue-i18n'
 
@@ -21,7 +20,36 @@ const mockNodePack = {
   }
 }
 
+const mockInstalledPacks = {
+  'test-pack': { ver: '1.5.0' },
+  'installed-pack': { ver: '2.0.0' }
+}
+
+vi.mock('@/stores/comfyManagerStore', () => ({
+  useComfyManagerStore: vi.fn(() => ({
+    installedPacks: mockInstalledPacks,
+    isPackInstalled: (id: string) =>
+      !!mockInstalledPacks[id as keyof typeof mockInstalledPacks]
+  }))
+}))
+
+const mockToggle = vi.fn()
+const mockHide = vi.fn()
+const PopoverStub = {
+  name: 'Popover',
+  template: '<div><slot></slot></div>',
+  methods: {
+    toggle: mockToggle,
+    hide: mockHide
+  }
+}
+
 describe('PackVersionBadge', () => {
+  beforeEach(() => {
+    mockToggle.mockReset()
+    mockHide.mockReset()
+  })
+
   const mountComponent = ({
     props = {}
   }: Record<string, any> = {}): VueWrapper => {
@@ -38,122 +66,100 @@ describe('PackVersionBadge', () => {
       },
       global: {
         plugins: [PrimeVue, createPinia(), i18n],
-        components: {
-          Popover,
-          PackVersionSelectorPopover
+        stubs: {
+          Popover: PopoverStub,
+          PackVersionSelectorPopover: true
         }
       }
     })
   }
 
-  it('renders with default version (NIGHTLY)', () => {
+  it('renders with installed version from store', () => {
     const wrapper = mountComponent()
 
+    const button = wrapper.findComponent(Button)
+    expect(button.exists()).toBe(true)
+    expect(button.props('label')).toBe('1.5.0') // From mockInstalledPacks
+  })
+
+  it('falls back to latest_version when not installed', () => {
+    // Use a nodePack that's not in the installedPacks
+    const uninstalledPack = {
+      id: 'uninstalled-pack',
+      name: 'Uninstalled Pack',
+      latest_version: {
+        version: '3.0.0'
+      }
+    }
+
+    const wrapper = mountComponent({
+      props: { nodePack: uninstalledPack }
+    })
+
+    const button = wrapper.findComponent(Button)
+    expect(button.exists()).toBe(true)
+    expect(button.props('label')).toBe('3.0.0') // From latest_version
+  })
+
+  it('falls back to NIGHTLY when no latest_version and not installed', () => {
+    // Use a nodePack with no latest_version and not in installedPacks
+    const noVersionPack = {
+      id: 'no-version-pack',
+      name: 'No Version Pack'
+    }
+
+    const wrapper = mountComponent({
+      props: { nodePack: noVersionPack }
+    })
+
     const button = wrapper.findComponent(Button)
     expect(button.exists()).toBe(true)
     expect(button.props('label')).toBe(SelectedVersion.NIGHTLY)
   })
 
-  it('renders with provided version', () => {
-    const version = '2.0.0'
-    const wrapper = mountComponent({ props: { version } })
+  it('falls back to NIGHTLY when nodePack.id is missing', () => {
+    const invalidPack = {
+      name: 'Invalid Pack'
+    }
 
-    const button = wrapper.findComponent(Button)
-    expect(button.exists()).toBe(true)
-    expect(button.props('label')).toBe(version)
-  })
-
-  it('shows actual latest (semantic) version prop when version is set to latest', () => {
     const wrapper = mountComponent({
-      props: { version: SelectedVersion.LATEST }
+      props: { nodePack: invalidPack }
     })
 
     const button = wrapper.findComponent(Button)
     expect(button.exists()).toBe(true)
-    expect(button.props('label')).toBe(mockNodePack.latest_version.version)
+    expect(button.props('label')).toBe(SelectedVersion.NIGHTLY)
   })
 
   it('toggles the popover when button is clicked', async () => {
     const wrapper = mountComponent()
 
-    // Spy on the toggle method
-    const popoverToggleSpy = vi.fn()
-    const popover = wrapper.findComponent(Popover)
-    popover.vm.toggle = popoverToggleSpy
-
-    // Open the popover
+    // Click the button
     await wrapper.findComponent(Button).trigger('click')
 
     // Verify that the toggle method was called
-    expect(popoverToggleSpy).toHaveBeenCalled()
+    expect(mockToggle).toHaveBeenCalled()
   })
 
-  it('emits update:version event when version is selected', async () => {
+  it('closes the popover when cancel is emitted', async () => {
     const wrapper = mountComponent()
 
-    // Open the popover
-    await wrapper.findComponent(Button).trigger('click')
-
-    // Simulate the popover emitting an apply event
-    wrapper.findComponent(PackVersionSelectorPopover).vm.$emit('apply', '3.0.0')
-    await nextTick()
-
-    // Check if the update:version event was emitted with the correct value
-    expect(wrapper.emitted('update:version')).toBeTruthy()
-    expect(wrapper.emitted('update:version')![0]).toEqual(['3.0.0'])
-  })
-
-  it('closes the popover when cancel is clicked', async () => {
-    const wrapper = mountComponent()
-
-    // Open the popover
-    await wrapper.findComponent(Button).trigger('click')
-
     // Simulate the popover emitting a cancel event
     wrapper.findComponent(PackVersionSelectorPopover).vm.$emit('cancel')
     await nextTick()
 
-    // Check if the popover is hidden
-    expect(wrapper.findComponent(Popover).isVisible()).toBe(false)
+    // Verify that the hide method was called
+    expect(mockHide).toHaveBeenCalled()
   })
 
-  it('updates displayed version when version prop changes', async () => {
-    const wrapper = mountComponent({ props: { version: '1.0.0' } })
+  it('closes the popover when submit is emitted', async () => {
+    const wrapper = mountComponent()
 
-    expect(wrapper.findComponent(Button).props('label')).toBe('1.0.0')
+    // Simulate the popover emitting a submit event
+    wrapper.findComponent(PackVersionSelectorPopover).vm.$emit('submit')
+    await nextTick()
 
-    // Update the version prop
-    await wrapper.setProps({ version: '2.0.0' })
-
-    // Check if the displayed version was updated
-    expect(wrapper.findComponent(Button).props('label')).toBe('2.0.0')
-  })
-
-  it('handles null or undefined nodePack', async () => {
-    const wrapper = mountComponent({ props: { nodePack: null } })
-
-    const button = wrapper.findComponent(Button)
-    expect(button.exists()).toBe(true)
-    expect(button.props('label')).toBe(SelectedVersion.NIGHTLY)
-
-    // Should not crash when clicking the button
-    await button.trigger('click')
-    expect(wrapper.findComponent(Popover).isVisible()).toBe(false)
-  })
-
-  it('handles missing latest_version (unclaimed pack) by falling back to NIGHTLY', async () => {
-    const incompleteNodePack = { id: 'test-pack', name: 'Test Pack' }
-    const wrapper = mountComponent({
-      props: {
-        nodePack: incompleteNodePack,
-        version: SelectedVersion.LATEST
-      }
-    })
-
-    const button = wrapper.findComponent(Button)
-    expect(button.exists()).toBe(true)
-
-    // Should fallback to nightly string when latest_version is missing
-    expect(button.props('label')).toBe(SelectedVersion.NIGHTLY)
+    // Verify that the hide method was called
+    expect(mockHide).toHaveBeenCalled()
   })
 })
diff --git a/src/components/dialog/content/manager/__tests__/PackVersionSelectorPopover.test.ts b/src/components/dialog/content/manager/__tests__/PackVersionSelectorPopover.test.ts
index 9aa1872f0..1ef6b72cc 100644
--- a/src/components/dialog/content/manager/__tests__/PackVersionSelectorPopover.test.ts
+++ b/src/components/dialog/content/manager/__tests__/PackVersionSelectorPopover.test.ts
@@ -12,7 +12,8 @@ import { SelectedVersion } from '@/types/comfyManagerTypes'
 
 import PackVersionSelectorPopover from '../PackVersionSelectorPopover.vue'
 
-const mockVersions = [
+// Default mock versions for reference
+const defaultMockVersions = [
   { version: '1.0.0', createdAt: '2023-01-01' },
   { version: '0.9.0', createdAt: '2022-12-01' },
   { version: '0.8.0', createdAt: '2022-11-01' }
@@ -21,17 +22,31 @@ const mockVersions = [
 const mockNodePack = {
   id: 'test-pack',
   name: 'Test Pack',
-  latest_version: { version: '1.0.0' }
+  latest_version: { version: '1.0.0' },
+  repository: 'https://github.com/user/repo'
 }
 
-const mockGetPackVersions = vi.fn().mockResolvedValue(mockVersions)
+// Create mock functions
+const mockGetPackVersions = vi.fn()
+const mockInstallPack = vi.fn().mockResolvedValue(undefined)
 
+// Mock the registry service
 vi.mock('@/services/comfyRegistryService', () => ({
   useComfyRegistryService: vi.fn(() => ({
     getPackVersions: mockGetPackVersions
   }))
 }))
 
+// Mock the manager store
+vi.mock('@/stores/comfyManagerStore', () => ({
+  useComfyManagerStore: vi.fn(() => ({
+    installPack: {
+      call: mockInstallPack,
+      clear: vi.fn()
+    }
+  }))
+}))
+
 const waitForPromises = async () => {
   await new Promise((resolve) => setTimeout(resolve, 16))
   await nextTick()
@@ -40,8 +55,8 @@ const waitForPromises = async () => {
 describe('PackVersionSelectorPopover', () => {
   beforeEach(() => {
     vi.clearAllMocks()
-    mockGetPackVersions.mockClear()
-    mockGetPackVersions.mockResolvedValue(mockVersions)
+    mockGetPackVersions.mockReset()
+    mockInstallPack.mockReset().mockResolvedValue(undefined)
   })
 
   const mountComponent = ({
@@ -56,7 +71,6 @@ describe('PackVersionSelectorPopover', () => {
     return mount(PackVersionSelectorPopover, {
       props: {
         nodePack: mockNodePack,
-        selectedVersion: SelectedVersion.NIGHTLY,
         ...props
       },
       global: {
@@ -69,6 +83,9 @@ describe('PackVersionSelectorPopover', () => {
   }
 
   it('fetches versions on mount', async () => {
+    // Set up the mock for this specific test
+    mockGetPackVersions.mockResolvedValueOnce(defaultMockVersions)
+
     mountComponent()
     await waitForPromises()
 
@@ -79,7 +96,9 @@ describe('PackVersionSelectorPopover', () => {
     // Delay the promise resolution
     mockGetPackVersions.mockImplementationOnce(
       () =>
-        new Promise((resolve) => setTimeout(() => resolve(mockVersions), 1000))
+        new Promise((resolve) =>
+          setTimeout(() => resolve(defaultMockVersions), 1000)
+        )
     )
 
     const wrapper = mountComponent()
@@ -88,6 +107,9 @@ describe('PackVersionSelectorPopover', () => {
   })
 
   it('displays special options and version options in the listbox', async () => {
+    // Set up the mock for this specific test
+    mockGetPackVersions.mockResolvedValueOnce(defaultMockVersions)
+
     const wrapper = mountComponent()
     await waitForPromises()
 
@@ -95,29 +117,23 @@ describe('PackVersionSelectorPopover', () => {
     expect(listbox.exists()).toBe(true)
 
     const options = listbox.props('options')!
-    expect(options.length).toBe(5) // 2 special options + 3 version options
+    // Check that we have both special options and version options
+    expect(options.length).toBe(defaultMockVersions.length + 2) // 2 special options + version options
 
-    // Check special options
-    expect(options[0].value).toBe(SelectedVersion.NIGHTLY)
-    expect(options[1].value).toBe(SelectedVersion.LATEST)
+    // Check that special options exist
+    expect(options.some((o) => o.value === SelectedVersion.NIGHTLY)).toBe(true)
+    expect(options.some((o) => o.value === SelectedVersion.LATEST)).toBe(true)
 
-    // Check version options
-    expect(options[2].value).toBe('1.0.0')
-    expect(options[3].value).toBe('0.9.0')
-    expect(options[4].value).toBe('0.8.0')
-  })
-
-  it('initializes with the provided selectedVersion prop', async () => {
-    const selectedVersion = '0.9.0'
-    const wrapper = mountComponent({ props: { selectedVersion } })
-    await waitForPromises()
-
-    // Check that the listbox has the correct model value
-    const listbox = wrapper.findComponent(Listbox)
-    expect(listbox.props('modelValue')).toBe(selectedVersion)
+    // Check that version options exist
+    expect(options.some((o) => o.value === '1.0.0')).toBe(true)
+    expect(options.some((o) => o.value === '0.9.0')).toBe(true)
+    expect(options.some((o) => o.value === '0.8.0')).toBe(true)
   })
 
   it('emits cancel event when cancel button is clicked', async () => {
+    // Set up the mock for this specific test
+    mockGetPackVersions.mockResolvedValueOnce(defaultMockVersions)
+
     const wrapper = mountComponent()
     await waitForPromises()
 
@@ -127,35 +143,42 @@ describe('PackVersionSelectorPopover', () => {
     expect(wrapper.emitted('cancel')).toBeTruthy()
   })
 
-  it('emits apply event with current selection when apply button is clicked', async () => {
-    const selectedVersion = '0.9.0'
-    const wrapper = mountComponent({ props: { selectedVersion } })
-    await waitForPromises()
+  it('calls installPack and emits submit when install button is clicked', async () => {
+    // Set up the mock for this specific test
+    mockGetPackVersions.mockResolvedValueOnce(defaultMockVersions)
 
-    const applyButton = wrapper.findAllComponents(Button)[1]
-    await applyButton.trigger('click')
-
-    expect(wrapper.emitted('apply')).toBeTruthy()
-    expect(wrapper.emitted('apply')![0]).toEqual([selectedVersion])
-  })
-
-  it('emits apply event with LATEST when no selection and apply button is clicked', async () => {
-    const wrapper = mountComponent({ props: { selectedVersion: null } })
-    await waitForPromises()
-
-    const applyButton = wrapper.findAllComponents(Button)[1]
-    await applyButton.trigger('click')
-
-    expect(wrapper.emitted('apply')).toBeTruthy()
-    expect(wrapper.emitted('apply')![0]).toEqual([SelectedVersion.LATEST])
-  })
-
-  it('is reactive to nodePack prop changes', async () => {
     const wrapper = mountComponent()
     await waitForPromises()
 
-    // Clear mock calls to check if getPackVersions is called again
-    mockGetPackVersions.mockClear()
+    // Set the selected version
+    await wrapper.findComponent(Listbox).setValue('0.9.0')
+
+    const installButton = wrapper.findAllComponents(Button)[1]
+    await installButton.trigger('click')
+
+    // Check that installPack was called with the correct parameters
+    expect(mockInstallPack).toHaveBeenCalledWith(
+      expect.objectContaining({
+        id: mockNodePack.id,
+        repository: mockNodePack.repository,
+        version: '0.9.0',
+        selected_version: '0.9.0'
+      })
+    )
+
+    // Check that submit was emitted
+    expect(wrapper.emitted('submit')).toBeTruthy()
+  })
+
+  it('is reactive to nodePack prop changes', async () => {
+    // Set up the mock for the initial fetch
+    mockGetPackVersions.mockResolvedValueOnce(defaultMockVersions)
+
+    const wrapper = mountComponent()
+    await waitForPromises()
+
+    // Set up the mock for the second fetch after prop change
+    mockGetPackVersions.mockResolvedValueOnce(defaultMockVersions)
 
     // Update the nodePack prop
     const newNodePack = { ...mockNodePack, id: 'new-test-pack' }
@@ -167,23 +190,45 @@ describe('PackVersionSelectorPopover', () => {
   })
 
   describe('Unclaimed GitHub packs handling', () => {
-    it('falls back to nightly when comfy-api returns null when fetching versions', async () => {
-      mockGetPackVersions.mockResolvedValueOnce(null)
+    it('falls back to nightly when no versions exist', async () => {
+      // Set up the mock to return versions
+      mockGetPackVersions.mockResolvedValueOnce(defaultMockVersions)
+
+      const packWithRepo = {
+        ...mockNodePack,
+        latest_version: undefined
+      }
+
+      const wrapper = mountComponent({
+        props: {
+          nodePack: packWithRepo
+        }
+      })
 
-      const wrapper = mountComponent()
       await waitForPromises()
-
       const listbox = wrapper.findComponent(Listbox)
+      expect(listbox.exists()).toBe(true)
       expect(listbox.props('modelValue')).toBe(SelectedVersion.NIGHTLY)
     })
 
-    it('falls back to nightly when component mounts with no versions (unclaimed pack)', async () => {
-      mockGetPackVersions.mockResolvedValueOnce([])
+    it('defaults to nightly when publisher name is "Unclaimed"', async () => {
+      // Set up the mock to return versions
+      mockGetPackVersions.mockResolvedValueOnce(defaultMockVersions)
+
+      const unclaimedNodePack = {
+        ...mockNodePack,
+        publisher: { name: 'Unclaimed' }
+      }
+
+      const wrapper = mountComponent({
+        props: {
+          nodePack: unclaimedNodePack
+        }
+      })
 
-      const wrapper = mountComponent()
       await waitForPromises()
-
       const listbox = wrapper.findComponent(Listbox)
+      expect(listbox.exists()).toBe(true)
       expect(listbox.props('modelValue')).toBe(SelectedVersion.NIGHTLY)
     })
   })
diff --git a/src/components/dialog/content/manager/button/PackActionButton.vue b/src/components/dialog/content/manager/button/PackActionButton.vue
new file mode 100644
index 000000000..91935ad18
--- /dev/null
+++ b/src/components/dialog/content/manager/button/PackActionButton.vue
@@ -0,0 +1,52 @@
+<template>
+  <Button
+    outlined
+    class="m-0 p-0 rounded-lg border-neutral-700"
+    :class="{
+      'w-full': fullWidth,
+      'w-min-content': !fullWidth
+    }"
+    :disabled="isExecuted"
+    v-bind="$attrs"
+    @click="onClick"
+  >
+    <span class="py-2.5 px-3">
+      <template v-if="isExecuted">
+        {{ loadingMessage ?? $t('g.loading') }}
+      </template>
+      <template v-else>
+        {{ label }}
+      </template>
+    </span>
+  </Button>
+</template>
+
+<script setup lang="ts">
+import Button from 'primevue/button'
+import { ref } from 'vue'
+
+const {
+  label,
+  loadingMessage,
+  fullWidth = false
+} = defineProps<{
+  label: string
+  loadingMessage?: string
+  fullWidth?: boolean
+}>()
+
+const emit = defineEmits<{
+  action: []
+}>()
+
+defineOptions({
+  inheritAttrs: false
+})
+
+const isExecuted = ref(false)
+
+const onClick = (): void => {
+  isExecuted.value = true
+  emit('action')
+}
+</script>
diff --git a/src/components/dialog/content/manager/button/PackEnableToggle.vue b/src/components/dialog/content/manager/button/PackEnableToggle.vue
new file mode 100644
index 000000000..742b22f29
--- /dev/null
+++ b/src/components/dialog/content/manager/button/PackEnableToggle.vue
@@ -0,0 +1,79 @@
+<template>
+  <div class="flex items-center">
+    <ToggleSwitch
+      :model-value="isEnabled"
+      :disabled="isLoading"
+      aria-label="Enable or disable pack"
+      @update:model-value="onToggle"
+    />
+  </div>
+</template>
+
+<script setup lang="ts">
+import { debounce } from 'lodash'
+import ToggleSwitch from 'primevue/toggleswitch'
+import { computed, ref } from 'vue'
+
+import { useComfyManagerStore } from '@/stores/comfyManagerStore'
+import {
+  InstallPackParams,
+  ManagerChannel,
+  SelectedVersion
+} from '@/types/comfyManagerTypes'
+import type { components } from '@/types/comfyRegistryTypes'
+
+const TOGGLE_DEBOUNCE_MS = 300
+
+const { nodePack } = defineProps<{
+  nodePack: components['schemas']['Node']
+}>()
+
+const managerStore = useComfyManagerStore()
+const isLoading = ref(false)
+
+const isEnabled = computed(() => managerStore.isPackEnabled(nodePack.id))
+const version = computed(() => {
+  const id = nodePack.id
+  if (!id) return SelectedVersion.NIGHTLY
+  return (
+    managerStore.installedPacks[id]?.ver ??
+    nodePack.latest_version?.version ??
+    SelectedVersion.NIGHTLY
+  )
+})
+
+const handleEnable = async () => {
+  if (!nodePack.id) return
+
+  // Enable is done by using the install endpoint with a disabled pack
+  managerStore.installPack.call({
+    id: nodePack.id,
+    version: version.value,
+    selected_version: version.value,
+    repository: nodePack.repository ?? '',
+    channel: ManagerChannel.DEFAULT,
+    mode: 'default' as InstallPackParams['mode']
+  })
+}
+
+const handleDisable = async () => {
+  managerStore.disablePack({
+    id: nodePack.id,
+    version: version.value
+  })
+}
+
+const handleToggle = async (enable: boolean) => {
+  if (isLoading.value) return
+
+  isLoading.value = true
+  if (enable) {
+    await handleEnable()
+  } else {
+    await handleDisable()
+  }
+  isLoading.value = false
+}
+
+const onToggle = debounce(handleToggle, TOGGLE_DEBOUNCE_MS)
+</script>
diff --git a/src/components/dialog/content/manager/button/PackInstallButton.vue b/src/components/dialog/content/manager/button/PackInstallButton.vue
new file mode 100644
index 000000000..2d86e4387
--- /dev/null
+++ b/src/components/dialog/content/manager/button/PackInstallButton.vue
@@ -0,0 +1,61 @@
+<template>
+  <PackActionButton
+    v-bind="$attrs"
+    :label="
+      nodePacks.length > 1 ? $t('manager.installSelected') : $t('g.install')
+    "
+    severity="secondary"
+    :loading-message="$t('g.installing')"
+    @action="installAllPacks"
+  />
+</template>
+
+<script setup lang="ts">
+import PackActionButton from '@/components/dialog/content/manager/button/PackActionButton.vue'
+import { useComfyManagerStore } from '@/stores/comfyManagerStore'
+import {
+  ManagerChannel,
+  ManagerDatabaseSource,
+  SelectedVersion
+} from '@/types/comfyManagerTypes'
+import type { components } from '@/types/comfyRegistryTypes'
+
+type NodePack = components['schemas']['Node']
+
+const { nodePacks } = defineProps<{
+  nodePacks: NodePack[]
+}>()
+
+const managerStore = useComfyManagerStore()
+
+const createPayload = (installItem: NodePack) => {
+  const isUnclaimedPack = installItem.publisher?.name === 'Unclaimed'
+  const versionToInstall = isUnclaimedPack
+    ? SelectedVersion.NIGHTLY
+    : installItem.latest_version?.version ?? SelectedVersion.LATEST
+
+  return {
+    id: installItem.id,
+    repository: installItem.repository ?? '',
+    channel: ManagerChannel.DEV,
+    mode: ManagerDatabaseSource.CACHE,
+    selected_version: versionToInstall,
+    version: versionToInstall
+  }
+}
+
+const installPack = (item: NodePack) =>
+  managerStore.installPack.call(createPayload(item))
+
+const installAllPacks = async () => {
+  if (!nodePacks?.length) return
+
+  const uninstalledPacks = nodePacks.filter(
+    (pack) => !managerStore.isPackInstalled(pack.id)
+  )
+  if (!uninstalledPacks.length) return
+
+  await Promise.all(uninstalledPacks.map(installPack))
+  managerStore.installPack.clear()
+}
+</script>
diff --git a/src/components/dialog/content/manager/button/PackUninstallButton.vue b/src/components/dialog/content/manager/button/PackUninstallButton.vue
new file mode 100644
index 000000000..5a740f65f
--- /dev/null
+++ b/src/components/dialog/content/manager/button/PackUninstallButton.vue
@@ -0,0 +1,43 @@
+<template>
+  <PackActionButton
+    v-bind="$attrs"
+    :label="
+      nodePacks.length > 1
+        ? $t('manager.uninstallSelected')
+        : $t('manager.uninstall')
+    "
+    severity="danger"
+    :loading-message="$t('manager.uninstalling')"
+    @action="uninstallItems"
+  />
+</template>
+
+<script setup lang="ts">
+import PackActionButton from '@/components/dialog/content/manager/button/PackActionButton.vue'
+import { useComfyManagerStore } from '@/stores/comfyManagerStore'
+import type { ManagerPackInfo } from '@/types/comfyManagerTypes'
+import type { components } from '@/types/comfyRegistryTypes'
+
+type NodePack = components['schemas']['Node']
+
+const { nodePacks } = defineProps<{
+  nodePacks: NodePack[]
+}>()
+
+const managerStore = useComfyManagerStore()
+
+const createPayload = (uninstallItem: NodePack): ManagerPackInfo => {
+  return {
+    id: uninstallItem.id,
+    version: uninstallItem.latest_version?.version
+  }
+}
+
+const uninstallPack = (item: NodePack) =>
+  managerStore.uninstallPack(createPayload(item))
+
+const uninstallItems = async () => {
+  if (!nodePacks?.length) return
+  await Promise.all(nodePacks.map(uninstallPack))
+}
+</script>
diff --git a/src/components/dialog/content/manager/infoPanel/InfoPanel.vue b/src/components/dialog/content/manager/infoPanel/InfoPanel.vue
index 2c17f81e4..c6aeeeba5 100644
--- a/src/components/dialog/content/manager/infoPanel/InfoPanel.vue
+++ b/src/components/dialog/content/manager/infoPanel/InfoPanel.vue
@@ -1,10 +1,7 @@
 <template>
   <div class="flex flex-col h-full z-40 hidden-scrollbar w-80">
     <div class="p-6 flex-1 overflow-hidden text-sm">
-      <PackCardHeader
-        :node-pack="nodePack"
-        :install-button-full-width="false"
-      />
+      <InfoPanelHeader :node-packs="[nodePack]" />
       <div class="mb-6">
         <MetadataRow
           v-for="item in infoItems"
@@ -21,11 +18,7 @@
           />
         </MetadataRow>
         <MetadataRow :label="t('manager.version')">
-          <PackVersionBadge
-            :node-pack="nodePack"
-            :version="selectedVersion"
-            @update:version="updateSelectedVersion"
-          />
+          <PackVersionBadge :node-pack="nodePack" />
         </MetadataRow>
       </div>
       <div class="mb-6 overflow-hidden">
@@ -36,17 +29,15 @@
 </template>
 
 <script setup lang="ts">
-import { computed, ref } from 'vue'
+import { computed } from 'vue'
 import { useI18n } from 'vue-i18n'
 
 import PackStatusMessage from '@/components/dialog/content/manager/PackStatusMessage.vue'
 import PackVersionBadge from '@/components/dialog/content/manager/PackVersionBadge.vue'
+import InfoPanelHeader from '@/components/dialog/content/manager/infoPanel/InfoPanelHeader.vue'
 import InfoTabs from '@/components/dialog/content/manager/infoPanel/InfoTabs.vue'
 import MetadataRow from '@/components/dialog/content/manager/infoPanel/MetadataRow.vue'
-import PackCardHeader from '@/components/dialog/content/manager/packCard/PackCardHeader.vue'
-import { SelectedVersion } from '@/types/comfyManagerTypes'
 import { components } from '@/types/comfyRegistryTypes'
-import { formatNumber } from '@/utils/formatUtil'
 
 interface InfoItem {
   key: string
@@ -58,31 +49,18 @@ const { nodePack } = defineProps<{
   nodePack: components['schemas']['Node']
 }>()
 
-const { t, d } = useI18n()
-
-const packCardHeaderRef = ref(null)
-
-const selectedVersion = ref<string>(
-  nodePack.latest_version?.version || SelectedVersion.NIGHTLY
-)
-const updateSelectedVersion = (version: string) => {
-  selectedVersion.value = version
-  if (packCardHeaderRef.value) {
-    packCardHeaderRef.value.updateVersion?.(version)
-  }
-}
+const { t, d, n } = useI18n()
 
 const infoItems = computed<InfoItem[]>(() => [
   {
     key: 'publisher',
     label: t('manager.createdBy'),
-    // TODO: handle all Comfy Registry publisher types dynamically (e.g., organizations, multiple authors)
-    value: nodePack.publisher?.name
+    value: nodePack.publisher?.name ?? nodePack.publisher?.id
   },
   {
     key: 'downloads',
     label: t('manager.downloads'),
-    value: nodePack.downloads ? formatNumber(nodePack.downloads) : undefined
+    value: nodePack.downloads ? n(nodePack.downloads) : undefined
   },
   {
     key: 'lastUpdated',
diff --git a/src/components/dialog/content/manager/infoPanel/InfoPanelHeader.vue b/src/components/dialog/content/manager/infoPanel/InfoPanelHeader.vue
new file mode 100644
index 000000000..34166f828
--- /dev/null
+++ b/src/components/dialog/content/manager/infoPanel/InfoPanelHeader.vue
@@ -0,0 +1,52 @@
+<template>
+  <div v-if="nodePacks?.length" class="flex flex-col items-center mb-6">
+    <slot name="thumbnail">
+      <PackIcon :node-pack="nodePacks[0]" width="24" height="24" />
+    </slot>
+    <h2
+      class="text-2xl font-bold text-center mt-4 mb-2"
+      style="word-break: break-all"
+    >
+      <slot name="title">
+        {{ nodePacks[0].name }}
+      </slot>
+    </h2>
+    <div class="mt-2 mb-4 w-full max-w-xs flex justify-center">
+      <slot name="install-button">
+        <PackUninstallButton
+          v-if="isAllInstalled"
+          v-bind="$attrs"
+          :node-packs="nodePacks"
+        />
+        <PackInstallButton v-else v-bind="$attrs" :node-packs="nodePacks" />
+      </slot>
+    </div>
+  </div>
+  <div v-else class="flex flex-col items-center mb-6">
+    <NoResultsPlaceholder
+      :message="$t('manager.status.unknown')"
+      :title="$t('manager.tryAgainLater')"
+    />
+  </div>
+</template>
+
+<script setup lang="ts">
+import { computed } from 'vue'
+
+import NoResultsPlaceholder from '@/components/common/NoResultsPlaceholder.vue'
+import PackInstallButton from '@/components/dialog/content/manager/button/PackInstallButton.vue'
+import PackUninstallButton from '@/components/dialog/content/manager/button/PackUninstallButton.vue'
+import PackIcon from '@/components/dialog/content/manager/packIcon/PackIcon.vue'
+import { useComfyManagerStore } from '@/stores/comfyManagerStore'
+import { components } from '@/types/comfyRegistryTypes'
+
+const { nodePacks } = defineProps<{
+  nodePacks: components['schemas']['Node'][]
+}>()
+
+const managerStore = useComfyManagerStore()
+
+const isAllInstalled = computed(() =>
+  nodePacks.every((nodePack) => managerStore.isPackInstalled(nodePack.id))
+)
+</script>
diff --git a/src/components/dialog/content/manager/infoPanel/InfoPanelMultiItem.vue b/src/components/dialog/content/manager/infoPanel/InfoPanelMultiItem.vue
index f2a9bafba..83483f4ec 100644
--- a/src/components/dialog/content/manager/infoPanel/InfoPanelMultiItem.vue
+++ b/src/components/dialog/content/manager/infoPanel/InfoPanelMultiItem.vue
@@ -1,7 +1,7 @@
 <template>
   <div class="flex flex-col h-full">
     <div class="p-6 flex-1 overflow-auto">
-      <PackCardHeader>
+      <InfoPanelHeader :node-packs="nodePacks">
         <template #thumbnail>
           <PackIconStacked :node-packs="nodePacks" />
         </template>
@@ -10,9 +10,9 @@
           {{ $t('manager.packsSelected') }}
         </template>
         <template #install-button>
-          <PackInstallButton :full-width="true" :multi="true" />
+          <PackInstallButton :full-width="true" :node-packs="nodePacks" />
         </template>
-      </PackCardHeader>
+      </InfoPanelHeader>
       <div class="mb-6">
         <MetadataRow :label="$t('g.status')">
           <PackStatusMessage status-type="NodeVersionStatusActive" />
@@ -30,10 +30,10 @@
 import { useAsyncState } from '@vueuse/core'
 import { computed } from 'vue'
 
-import PackInstallButton from '@/components/dialog/content/manager/PackInstallButton.vue'
 import PackStatusMessage from '@/components/dialog/content/manager/PackStatusMessage.vue'
+import PackInstallButton from '@/components/dialog/content/manager/button/PackInstallButton.vue'
+import InfoPanelHeader from '@/components/dialog/content/manager/infoPanel/InfoPanelHeader.vue'
 import MetadataRow from '@/components/dialog/content/manager/infoPanel/MetadataRow.vue'
-import PackCardHeader from '@/components/dialog/content/manager/packCard/PackCardHeader.vue'
 import PackIconStacked from '@/components/dialog/content/manager/packIcon/PackIconStacked.vue'
 import { useComfyRegistryService } from '@/services/comfyRegistryService'
 import { components } from '@/types/comfyRegistryTypes'
@@ -59,6 +59,7 @@ const { state: allNodeDefs } = useAsyncState(
     immediate: true
   }
 )
+
 const totalNodesCount = computed(() =>
   allNodeDefs.value.reduce(
     (total, nodeDefs) => total + (nodeDefs?.length || 0),
diff --git a/src/components/dialog/content/manager/packCard/PackCard.vue b/src/components/dialog/content/manager/packCard/PackCard.vue
index 47a955c4b..1648c5106 100644
--- a/src/components/dialog/content/manager/packCard/PackCard.vue
+++ b/src/components/dialog/content/manager/packCard/PackCard.vue
@@ -17,7 +17,7 @@
           <i
             class="pi pi-box text-muted text-2xl ml-1 mr-5"
             style="opacity: 0.5"
-          ></i>
+          />
           <span class="text-lg relative top-[.25rem]">{{
             $t('manager.nodePack')
           }}</span>
@@ -27,10 +27,15 @@
             v-if="nodePack.downloads"
             class="flex items-center text-sm text-muted tracking-tighter"
           >
-            <i class="pi pi-download mr-2"></i>
-            {{ formatNumber(nodePack.downloads) }}
+            <i class="pi pi-download mr-2" />
+            {{ $n(nodePack.downloads) }}
           </div>
-          <PackInstallButton />
+          <template v-if="isPackInstalled">
+            <PackEnableToggle :node-pack="nodePack" />
+          </template>
+          <template v-else>
+            <PackInstallButton :node-packs="[nodePack]" />
+          </template>
         </div>
       </div>
     </template>
@@ -66,17 +71,13 @@
           <span v-if="nodePack.publisher?.name">
             {{ nodePack.publisher.name }}
           </span>
-          <PackVersionBadge
-            v-if="isPackInstalled"
-            :node-pack="nodePack"
-            v-model:version="selectedVersion"
-          />
+          <PackVersionBadge v-if="isPackInstalled" :node-pack="nodePack" />
           <span v-else-if="nodePack.latest_version">
             {{ nodePack.latest_version.version }}
           </span>
         </div>
         <div
-          v-if="nodePack.latest_version"
+          v-if="nodePack.latest_version?.createdAt"
           class="flex items-center gap-2 truncate"
         >
           {{ $t('g.updated') }}
@@ -93,24 +94,24 @@
 
 <script setup lang="ts">
 import Card from 'primevue/card'
-import { computed, ref } from 'vue'
+import { computed } from 'vue'
 
 import ContentDivider from '@/components/common/ContentDivider.vue'
-import PackInstallButton from '@/components/dialog/content/manager/PackInstallButton.vue'
 import PackVersionBadge from '@/components/dialog/content/manager/PackVersionBadge.vue'
+import PackEnableToggle from '@/components/dialog/content/manager/button/PackEnableToggle.vue'
+import PackInstallButton from '@/components/dialog/content/manager/button/PackInstallButton.vue'
 import PackIcon from '@/components/dialog/content/manager/packIcon/PackIcon.vue'
+import { useComfyManagerStore } from '@/stores/comfyManagerStore'
 import type { components } from '@/types/comfyRegistryTypes'
-import { formatNumber } from '@/utils/formatUtil'
 
 const { nodePack, isSelected = false } = defineProps<{
   nodePack: components['schemas']['Node']
   isSelected?: boolean
 }>()
-const selectedVersion = ref<string | undefined>(undefined)
-const isPackInstalled = computed(
-  () =>
-    // TODO: after manager store added
-    // managerStore.isPackInstalled(nodePack?.id)
-    true
+
+const managerStore = useComfyManagerStore()
+
+const isPackInstalled = computed(() =>
+  managerStore.isPackInstalled(nodePack?.id)
 )
 </script>
diff --git a/src/components/dialog/content/manager/packCard/PackCardHeader.vue b/src/components/dialog/content/manager/packCard/PackCardHeader.vue
deleted file mode 100644
index 34d0a9c17..000000000
--- a/src/components/dialog/content/manager/packCard/PackCardHeader.vue
+++ /dev/null
@@ -1,33 +0,0 @@
-<template>
-  <div class="flex flex-col items-center mb-6">
-    <slot name="thumbnail">
-      <PackIcon :node-pack="nodePack" width="24" height="24" />
-    </slot>
-    <h2
-      class="text-2xl font-bold text-center mt-4 mb-2"
-      style="word-break: break-all"
-    >
-      <slot name="title">{{ nodePack?.name }}</slot>
-    </h2>
-    <div class="mt-2 mb-4 w-full max-w-xs flex justify-center">
-      <slot name="install-button">
-        <PackInstallButton
-          :full-width="installButtonFullWidth"
-          :multi="multi"
-        />
-      </slot>
-    </div>
-  </div>
-</template>
-
-<script setup lang="ts">
-import PackInstallButton from '@/components/dialog/content/manager/PackInstallButton.vue'
-import PackIcon from '@/components/dialog/content/manager/packIcon/PackIcon.vue'
-import { components } from '@/types/comfyRegistryTypes'
-
-defineProps<{
-  nodePack?: components['schemas']['Node']
-  multi?: boolean
-  installButtonFullWidth?: boolean
-}>()
-</script>
diff --git a/src/locales/en/main.json b/src/locales/en/main.json
index a4c5dd883..27a35eb74 100644
--- a/src/locales/en/main.json
+++ b/src/locales/en/main.json
@@ -46,6 +46,7 @@
     "back": "Back",
     "next": "Next",
     "install": "Install",
+    "installing": "Installing",
     "overwrite": "Overwrite",
     "customize": "Customize",
     "experimental": "BETA",
@@ -98,6 +99,10 @@
     "selectVersion": "Select Version",
     "downloads": "Downloads",
     "repository": "Repository",
+    "uninstall": "Uninstall",
+    "uninstalling": "Uninstalling",
+    "update": "Update",
+    "uninstallSelected": "Uninstall Selected",
     "license": "License",
     "nightlyVersion": "Nightly",
     "latestVersion": "Latest",
diff --git a/src/locales/fr/main.json b/src/locales/fr/main.json
index dce1e56c5..a0365d174 100644
--- a/src/locales/fr/main.json
+++ b/src/locales/fr/main.json
@@ -158,6 +158,7 @@
     "import": "Importer",
     "insert": "Insérer",
     "install": "Installer",
+    "installing": "Installation",
     "keybinding": "Raccourci clavier",
     "loadAllFolders": "Charger tous les dossiers",
     "loadWorkflow": "Charger le flux de travail",
@@ -411,6 +412,10 @@
     "totalNodes": "Total de Nœuds",
     "tryAgainLater": "Veuillez réessayer plus tard.",
     "tryDifferentSearch": "Veuillez essayer une autre requête de recherche.",
+    "uninstall": "Désinstaller",
+    "uninstallSelected": "Désinstaller sélectionné",
+    "uninstalling": "Désinstallation",
+    "update": "Mettre à jour",
     "version": "Version"
   },
   "menu": {
diff --git a/src/locales/ja/main.json b/src/locales/ja/main.json
index 1fdc1031c..991a628a5 100644
--- a/src/locales/ja/main.json
+++ b/src/locales/ja/main.json
@@ -158,6 +158,7 @@
     "import": "インポート",
     "insert": "挿入",
     "install": "インストール",
+    "installing": "インストール中",
     "keybinding": "キーバインディング",
     "loadAllFolders": "すべてのフォルダーを読み込む",
     "loadWorkflow": "ワークフローを読み込む",
@@ -411,6 +412,10 @@
     "totalNodes": "合計ノード数",
     "tryAgainLater": "後ほど再試行してください。",
     "tryDifferentSearch": "別の検索クエリを試してみてください。",
+    "uninstall": "アンインストール",
+    "uninstallSelected": "選択したものをアンインストール",
+    "uninstalling": "アンインストール中",
+    "update": "更新",
     "version": "バージョン"
   },
   "menu": {
diff --git a/src/locales/ko/main.json b/src/locales/ko/main.json
index eca9ff39c..a44e0e945 100644
--- a/src/locales/ko/main.json
+++ b/src/locales/ko/main.json
@@ -158,6 +158,7 @@
     "import": "가져오기",
     "insert": "삽입",
     "install": "설치",
+    "installing": "설치 중",
     "keybinding": "키 바인딩",
     "loadAllFolders": "모든 폴더 로드",
     "loadWorkflow": "워크플로 로드",
@@ -411,6 +412,10 @@
     "totalNodes": "총 노드",
     "tryAgainLater": "나중에 다시 시도해 주세요.",
     "tryDifferentSearch": "다른 검색어를 시도해 주세요.",
+    "uninstall": "제거",
+    "uninstallSelected": "선택 항목 제거",
+    "uninstalling": "제거 중",
+    "update": "업데이트",
     "version": "버전"
   },
   "menu": {
diff --git a/src/locales/ru/main.json b/src/locales/ru/main.json
index fab48d5d1..db3fc9002 100644
--- a/src/locales/ru/main.json
+++ b/src/locales/ru/main.json
@@ -158,6 +158,7 @@
     "import": "Импорт",
     "insert": "Вставить",
     "install": "Установить",
+    "installing": "Установка",
     "keybinding": "Привязка клавиш",
     "loadAllFolders": "Загрузить все папки",
     "loadWorkflow": "Загрузить рабочий процесс",
@@ -411,6 +412,10 @@
     "totalNodes": "Всего Узлов",
     "tryAgainLater": "Пожалуйста, попробуйте позже.",
     "tryDifferentSearch": "Пожалуйста, попробуйте изменить запрос.",
+    "uninstall": "Удалить",
+    "uninstallSelected": "Удалить выбранное",
+    "uninstalling": "Удаление",
+    "update": "Обновить",
     "version": "Версия"
   },
   "menu": {
diff --git a/src/locales/zh/main.json b/src/locales/zh/main.json
index 36ac035b1..660c987b4 100644
--- a/src/locales/zh/main.json
+++ b/src/locales/zh/main.json
@@ -158,6 +158,7 @@
     "import": "导入",
     "insert": "插入",
     "install": "安装",
+    "installing": "正在安装",
     "keybinding": "按键绑定",
     "loadAllFolders": "加载所有文件夹",
     "loadWorkflow": "加载工作流",
@@ -411,6 +412,10 @@
     "totalNodes": "节点总数",
     "tryAgainLater": "请稍后再试。",
     "tryDifferentSearch": "请尝试不同的搜索查询。",
+    "uninstall": "卸载",
+    "uninstallSelected": "卸载所选",
+    "uninstalling": "正在卸载",
+    "update": "更新",
     "version": "版本"
   },
   "menu": {
diff --git a/src/stores/comfyManagerStore.ts b/src/stores/comfyManagerStore.ts
index 3abcb3ea7..3c39fab3d 100644
--- a/src/stores/comfyManagerStore.ts
+++ b/src/stores/comfyManagerStore.ts
@@ -1,6 +1,7 @@
 import { whenever } from '@vueuse/core'
+import { partition } from 'lodash'
 import { defineStore } from 'pinia'
-import { ref } from 'vue'
+import { ref, watchEffect } from 'vue'
 
 import { useCachedRequest } from '@/composables/useCachedRequest'
 import { useManagerQueue } from '@/composables/useManagerQueue'
@@ -9,6 +10,7 @@ import {
   InstallPackParams,
   InstalledPacksResponse,
   ManagerPackInfo,
+  ManagerPackInstalled,
   UpdateAllPacksParams
 } from '@/types/comfyManagerTypes'
 
@@ -18,20 +20,61 @@ import {
 export const useComfyManagerStore = defineStore('comfyManager', () => {
   const managerService = useComfyManagerService()
   const installedPacks = ref<InstalledPacksResponse>({})
+  const enabledPacks = ref<Set<string>>(new Set())
+  const disabledPacks = ref<Set<string>>(new Set())
   const isStale = ref(true)
 
   const { statusMessage, allTasksDone, enqueueTask } = useManagerQueue()
 
-  const refreshInstalledList = async () => {
-    const packs = await managerService.listInstalledPacks()
-    if (packs) installedPacks.value = packs
-    isStale.value = false
-  }
-
   const setStale = () => {
     isStale.value = true
   }
 
+  const isPackInstalled = (packName: string | undefined): boolean => {
+    if (!packName) return false
+    return !!installedPacks.value[packName] || disabledPacks.value.has(packName)
+  }
+
+  const isPackEnabled = (packName: string | undefined): boolean =>
+    !!packName && enabledPacks.value.has(packName)
+
+  /**
+   * A pack is disabled if there is a disabled entry and no corresponding enabled entry
+   * @example
+   * installedPacks = {
+   *   "packname@1_0_2": { enabled: false, cnr_id: "packname" },
+   *   "packname": { enabled: true, cnr_id: "packname" }
+   * }
+   * isDisabled("packname") // false
+   *
+   * installedPacks = {
+   *   "packname@1_0_2": { enabled: false, cnr_id: "packname" },
+   * }
+   * isDisabled("packname") // true
+   */
+  const isPackDisabled = (pack: ManagerPackInstalled) =>
+    pack.enabled === false && pack.cnr_id && !installedPacks.value[pack.cnr_id]
+
+  const packsToIdSet = (packs: ManagerPackInstalled[]) =>
+    packs.reduce((acc, pack) => {
+      const id = pack.cnr_id || pack.aux_id
+      if (id) acc.add(id)
+      return acc
+    }, new Set<string>())
+
+  watchEffect(() => {
+    const packs = Object.values(installedPacks.value)
+    const [disabled, enabled] = partition(packs, isPackDisabled)
+    enabledPacks.value = packsToIdSet(enabled)
+    disabledPacks.value = packsToIdSet(disabled)
+  })
+
+  const refreshInstalledList = async () => {
+    isStale.value = false
+    const packs = await managerService.listInstalledPacks()
+    if (packs) installedPacks.value = packs
+  }
+
   whenever(isStale, refreshInstalledList, { immediate: true })
 
   const installPack = useCachedRequest<InstallPackParams, void>(
@@ -84,16 +127,6 @@ export const useComfyManagerStore = defineStore('comfyManager', () => {
     })
   }
 
-  const isPackInstalled = (packName: string | undefined): boolean => {
-    if (!packName) return false
-    return !!installedPacks.value[packName]
-  }
-
-  const isPackEnabled = (packName: string | undefined): boolean => {
-    if (!packName) return false
-    return !!installedPacks.value[packName]?.enabled
-  }
-
   return {
     // Manager state
     isLoading: managerService.isLoading,
diff --git a/src/types/comfyManagerTypes.ts b/src/types/comfyManagerTypes.ts
index 07b90e7ef..03e3a075e 100644
--- a/src/types/comfyManagerTypes.ts
+++ b/src/types/comfyManagerTypes.ts
@@ -5,11 +5,6 @@ type RegistryPack = components['schemas']['Node']
 type WorkflowNodeProperties = ComfyWorkflowJSON['nodes'][0]['properties']
 export type PackField = keyof RegistryPack | null
 
-export type PackWithSelectedVersion = {
-  nodePack: RegistryPack
-  selectedVersion?: InstallPackParams['selected_version']
-}
-
 export interface TabItem {
   id: string
   label: string
@@ -175,10 +170,6 @@ export interface InstallPackParams extends ManagerPackInfo {
    * Semantic version, Git commit hash, `latest`, or `nightly`.
    */
   selected_version: WorkflowNodeProperties['ver'] | SelectedVersion
-  /**
-   * If set to `imported`, returns only the packs that were imported at app startup.
-   */
-  mode?: 'imported' | 'default'
   /**
    * The GitHub link to the repository of the pack to install.
    * Required if `selected_version` is `nightly`.
@@ -189,6 +180,7 @@ export interface InstallPackParams extends ManagerPackInfo {
    * Used in coordination with pip package whitelist and version lock features.
    */
   pip?: string[]
+  mode: ManagerDatabaseSource
   channel: ManagerChannel
   skip_post_install?: boolean
 }
diff --git a/src/utils/formatUtil.ts b/src/utils/formatUtil.ts
index 05390c668..5c3653b04 100644
--- a/src/utils/formatUtil.ts
+++ b/src/utils/formatUtil.ts
@@ -336,14 +336,6 @@ export const generateUUID = (): string => {
   })
 }
 
-/**
- * Formats a number to a locale-specific string
- * @param num The number to format
- * @returns The formatted number or 'N/A' if the number is undefined
- */
-export const formatNumber = (num?: number): string =>
-  num?.toLocaleString() ?? 'N/A'
-
 /**
  * Checks if a URL is a Civitai model URL
  * @example