diff --git a/locales/en-US.yml b/locales/en-US.yml
index bd32c836ac..a7ea78a72c 100644
--- a/locales/en-US.yml
+++ b/locales/en-US.yml
@@ -1085,7 +1085,7 @@ apps: "Apps"
 sendModMail: "Send Moderation Notice"
 preventAiLearning: "Prevent AI bot scraping"
 preventAiLearningDescription: "Request third-party AI language models not to study content you upload, such as posts and images."
-
+pwa: "Install PWA"
 
 _sensitiveMediaDetection:
   description: "Reduces the effort of server moderation through automatically recognizing\
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 4fc2f42d79..445d839b3e 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -975,6 +975,7 @@ customKaTeXMacroDescription: "数式入力を楽にするためのマクロを
 enableCustomKaTeXMacro: "カスタムKaTeXマクロを有効にする"
 preventAiLearning: "AIによる学習を防止"
 preventAiLearningDescription: "投稿したノート、添付した画像などのコンテンツを学習の対象にしないようAIに要求します。これはnoaiフラグをHTMLレスポンスに含めることによって実現されます。"
+pwa: "PWAをインストール"
 
 _sensitiveMediaDetection:
   description: "機械学習を使って自動でセンシティブなメディアを検出し、モデレーションに役立てられます。サーバーの負荷が少し増えます。"
diff --git a/package.json b/package.json
index 8aaa427a13..74c9506cfe 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "calckey",
-	"version": "14.0.0-dev8",
+	"version": "14.0.0-dev9",
 	"codename": "aqua",
 	"repository": {
 		"type": "git",
diff --git a/packages/client/package.json b/packages/client/package.json
index 69346651d8..1735855037 100644
--- a/packages/client/package.json
+++ b/packages/client/package.json
@@ -9,6 +9,7 @@
 	},
 	"devDependencies": {
 		"@discordapp/twemoji": "14.0.2",
+		"@khmyznikov/pwa-install": "^0.2.0",
 		"@phosphor-icons/web": "^2.0.3",
 		"@rollup/plugin-alias": "3.1.9",
 		"@rollup/plugin-json": "4.1.0",
diff --git a/packages/client/src/components/MkTutorialDialog.vue b/packages/client/src/components/MkTutorialDialog.vue
index eafc882950..8fecc44294 100644
--- a/packages/client/src/components/MkTutorialDialog.vue
+++ b/packages/client/src/components/MkTutorialDialog.vue
@@ -180,6 +180,13 @@
 								primary
 								show-only-to-register
 							/>
+							<pwa-install />
+							<MkButton
+								primary
+								inline
+								@click="installPwa"
+								>{{ i18n.ts.pwa }}</MkButton
+							>
 						</div>
 					</Transition>
 				</div>
@@ -201,6 +208,7 @@ import { defaultStore } from "@/store";
 import { i18n } from "@/i18n";
 import { $i } from "@/account";
 import { instance } from "@/instance";
+import "@khmyznikov/pwa-install";
 
 const isLocalTimelineAvailable =
 	!instance.disableLocalTimeline ||
@@ -243,6 +251,11 @@ const tutorial = computed({
 	},
 });
 
+function installPwa(ev: MouseEvent) {
+	const pwaInstall = document.getElementsByTagName("pwa-install")[0];
+	pwaInstall.showDialog();
+}
+
 function close(res) {
 	tutorial.value = -1;
 	dialog.close();
diff --git a/packages/client/src/scripts/helpMenu.ts b/packages/client/src/scripts/helpMenu.ts
index 81e0a08ec6..c630d5a1b0 100644
--- a/packages/client/src/scripts/helpMenu.ts
+++ b/packages/client/src/scripts/helpMenu.ts
@@ -4,6 +4,7 @@ import { host } from "@/config";
 import * as os from "@/os";
 import XTutorial from "../components/MkTutorialDialog.vue";
 import { i18n } from "@/i18n";
+import "@khmyznikov/pwa-install";
 
 export function openHelpMenu_(ev: MouseEvent) {
 	os.popupMenu(
@@ -24,6 +25,14 @@ export function openHelpMenu_(ev: MouseEvent) {
 				icon: "ph-lightbulb ph-bold ph-lg",
 				to: "/about-calckey",
 			},
+			{
+				type: "button",
+				text: i18n.ts.pwa,
+				icon: "ph-export ph-bold ph-lg",
+				action: () => {
+					document.getElementsByTagName("pwa-install")[0].showDialog();
+				}
+			},
 			{
 				type: "button",
 				text: i18n.ts.apps,
diff --git a/packages/client/src/ui/_common_/navbar-for-mobile.vue b/packages/client/src/ui/_common_/navbar-for-mobile.vue
index 39abb7c261..9ea373025b 100644
--- a/packages/client/src/ui/_common_/navbar-for-mobile.vue
+++ b/packages/client/src/ui/_common_/navbar-for-mobile.vue
@@ -105,6 +105,7 @@
 					<i class="icon ph-pencil ph-bold ph-lg ph-fw ph-lg"></i
 					><span class="text">{{ i18n.ts.note }}</span>
 				</button>
+				<pwa-install />
 				<button
 					v-tooltip.noDelay.right="i18n.ts.help"
 					class="item _button help"
@@ -132,6 +133,7 @@ import { openAccountMenu as openAccountMenu_ } from "@/account";
 import { openHelpMenu_ } from "@/scripts/helpMenu";
 import { defaultStore } from "@/store";
 import { i18n } from "@/i18n";
+import "@khmyznikov/pwa-install";
 
 const menu = toRef(defaultStore.state, "menu");
 const otherMenuItemIndicated = computed(() => {
diff --git a/packages/client/src/ui/_common_/navbar.vue b/packages/client/src/ui/_common_/navbar.vue
index a51ff5e7d9..1fc18a8893 100644
--- a/packages/client/src/ui/_common_/navbar.vue
+++ b/packages/client/src/ui/_common_/navbar.vue
@@ -122,6 +122,7 @@
 					<i class="icon ph-pencil ph-bold ph-fw ph-lg"></i
 					><span class="text">{{ i18n.ts.note }}</span>
 				</button>
+				<pwa-install />
 				<button
 					v-tooltip.noDelay.right="i18n.ts.help"
 					class="item _button help"
@@ -150,6 +151,7 @@ import { defaultStore } from "@/store";
 import { i18n } from "@/i18n";
 import { instance } from "@/instance";
 import { version } from "@/config";
+import "@khmyznikov/pwa-install";
 
 const isEmpty = (x: string | null) => x == null || x === "";
 
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 3d647bd147..cf9c369963 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -659,6 +659,9 @@ importers:
       '@discordapp/twemoji':
         specifier: 14.0.2
         version: 14.0.2
+      '@khmyznikov/pwa-install':
+        specifier: ^0.2.0
+        version: 0.2.0
       '@phosphor-icons/web':
         specifier: ^2.0.3
         version: 2.0.3
@@ -2094,6 +2097,13 @@ packages:
       '@jridgewell/resolve-uri': 3.1.0
       '@jridgewell/sourcemap-codec': 1.4.14
 
+  /@khmyznikov/pwa-install@0.2.0:
+    resolution: {integrity: sha512-Lz8lvCf47/DCVzXgLyCGt46HDpie2U/lga++vOgVwil3B8bSMj8fL1+a/8oBhDikHjtLKinTCMf0jZvgW2xCZQ==}
+    dependencies:
+      '@lit/localize': 0.11.4
+      lit: 2.7.4
+    dev: true
+
   /@koa/cors@3.4.3:
     resolution: {integrity: sha512-WPXQUaAeAMVaLTEFpoq3T2O1C+FstkjJnDQqy95Ck1UdILajsRhu6mhJ8H2f4NFPRBoCNN+qywTJfq/gGki5mw==}
     engines: {node: '>= 8.0.0'}
@@ -2127,6 +2137,23 @@ packages:
     resolution: {integrity: sha512-fuscdXJ9G1qb7W8VdHi+IwRqij3lBkosAm4ydQtEmbY58OzHXqQhvlxqEkoz0yssNVn38bcpRWgA9PP+OGoisw==}
     dev: true
 
+  /@lit-labs/ssr-dom-shim@1.1.1:
+    resolution: {integrity: sha512-kXOeFbfCm4fFf2A3WwVEeQj55tMZa8c8/f9AKHMobQMkzNUfUj+antR3fRPaZJawsa1aZiP/Da3ndpZrwEe4rQ==}
+    dev: true
+
+  /@lit/localize@0.11.4:
+    resolution: {integrity: sha512-RRIwIX2tAm3+DuEndoXSJrFjGrAK5cb5IXo5K6jcJ6sbgD829B8rSqHC5MaKVUmXTVLIR1bk5IZOZDf9wFereA==}
+    dependencies:
+      '@lit/reactive-element': 1.6.1
+      lit: 2.7.4
+    dev: true
+
+  /@lit/reactive-element@1.6.1:
+    resolution: {integrity: sha512-va15kYZr7KZNNPZdxONGQzpUr+4sxVu7V/VG7a8mRfPPXUyhEYj5RzXCQmGrlP3tAh0L3HHm5AjBMFYRqlM9SA==}
+    dependencies:
+      '@lit-labs/ssr-dom-shim': 1.1.1
+    dev: true
+
   /@mapbox/node-pre-gyp@1.0.10:
     resolution: {integrity: sha512-4ySo4CjzStuprMwk35H5pPbkymjv1SF3jGLj6rAHp/xT/RF7TL7bd9CTm1xDY49K2qF7jmR/g7k+SkLETP6opA==}
     hasBin: true
@@ -3582,6 +3609,10 @@ packages:
     resolution: {integrity: sha512-Q5vtl1W5ue16D+nIaW8JWebSSraJVlK+EthKn7e7UcD4KWsaSJ8BqGPXNaPghgtcn/fhvrN17Tv8ksUsQpiplw==}
     dev: true
 
+  /@types/trusted-types@2.0.3:
+    resolution: {integrity: sha512-NfQ4gyz38SL8sDNrSixxU2Os1a5xcdFxipAFxYEuLUlvU2uDwS4NUpsImcf1//SlWItCVMMLiylsxbmNMToV/g==}
+    dev: true
+
   /@types/undertaker-registry@1.0.1:
     resolution: {integrity: sha512-Z4TYuEKn9+RbNVk1Ll2SS4x1JeLHecolIbM/a8gveaHsW0Hr+RQMraZACwTO2VD7JvepgA6UO1A1VrbktQrIbQ==}
     dev: true
@@ -10073,6 +10104,28 @@ packages:
       wrap-ansi: 7.0.0
     dev: true
 
+  /lit-element@3.3.2:
+    resolution: {integrity: sha512-xXAeVWKGr4/njq0rGC9dethMnYCq5hpKYrgQZYTzawt9YQhMiXfD+T1RgrdY3NamOxwq2aXlb0vOI6e29CKgVQ==}
+    dependencies:
+      '@lit-labs/ssr-dom-shim': 1.1.1
+      '@lit/reactive-element': 1.6.1
+      lit-html: 2.7.4
+    dev: true
+
+  /lit-html@2.7.4:
+    resolution: {integrity: sha512-/Jw+FBpeEN+z8X6PJva5n7+0MzCVAH2yypN99qHYYkq8bI+j7I39GH+68Z/MZD6rGKDK9RpzBw7CocfmHfq6+g==}
+    dependencies:
+      '@types/trusted-types': 2.0.3
+    dev: true
+
+  /lit@2.7.4:
+    resolution: {integrity: sha512-cgD7xrZoYr21mbrkZIuIrj98YTMw/snJPg52deWVV4A8icLyNHI3bF70xsJeAgwTuiq5Kkd+ZR8gybSJDCPB7g==}
+    dependencies:
+      '@lit/reactive-element': 1.6.1
+      lit-element: 3.3.2
+      lit-html: 2.7.4
+    dev: true
+
   /load-json-file@1.1.0:
     resolution: {integrity: sha512-cy7ZdNRXdablkXYNI049pthVeXFurRyb9+hA/dZzerZ0pGTx42z+y+ssxBaVV2l70t1muq5IdKhn4UtcoGUY9A==}
     engines: {node: '>=0.10.0'}