diff --git a/src/main/tray.ts b/src/main/tray.ts
index 38af617..a78472f 100644
--- a/src/main/tray.ts
+++ b/src/main/tray.ts
@@ -1,6 +1,33 @@
 import electron from 'electron';
 import type { Tray as TrayType, MenuItemConstructorOptions } from 'electron';
-const { app, Tray, Menu, nativeImage } = electron;
+import { platform, release } from 'node:os';
+const { app, Tray, Menu, nativeImage, dialog, shell, clipboard } = electron;
+
+function showAboutDialog(): void {
+  const version = app.getVersion();
+  const electronVersion = process.versions.electron ?? '?';
+  const nodeVersion = process.versions.node ?? '?';
+  const profileDir = app.getPath('userData');
+  const detail = [
+    `버전: ${version}`,
+    `Electron: ${electronVersion}`,
+    `Node: ${nodeVersion}`,
+    `OS: ${platform()} ${release()}`,
+    `데이터 위치: ${profileDir}`
+  ].join('\n');
+  void dialog.showMessageBox({
+    type: 'info',
+    title: 'Inkling 정보',
+    message: `Inkling ${version}`,
+    detail,
+    buttons: ['확인', '데이터 위치 열기', '정보 복사'],
+    defaultId: 0,
+    cancelId: 0
+  }).then((r) => {
+    if (r.response === 1) void shell.openPath(profileDir);
+    if (r.response === 2) clipboard.writeText(`Inkling ${version}\n${detail}`);
+  });
+}
 
 let tray: TrayType | null = null;
 let _showInbox: () => void = () => {};
@@ -60,6 +87,7 @@ function buildMenu() {
   } else {
     items.push({ type: 'separator' });
   }
+  items.push({ label: 'Inkling 정보...', click: showAboutDialog });
   items.push({ label: '종료', click: () => { app.isQuitting = true; app.quit(); } });
   return Menu.buildFromTemplate(items);
 }