diff --git a/electron-builder.win.yml b/electron-builder.win.yml
new file mode 100644
index 0000000..ab80da6
--- /dev/null
+++ b/electron-builder.win.yml
@@ -0,0 +1,59 @@
+appId: com.tracememo.app
+productName: TraceMemo
+afterPack: scripts/after-pack.cjs
+directories:
+  buildResources: build
+files:
+  - out
+  - '!**/.vscode/*'
+  - '!src/*'
+  - '!electron.vite.config.{js,ts,mjs,cjs}'
+  - '!{.eslintcache,eslint.config.mjs,.prettierignore,.prettierrc.yaml,dev-app-update.yml,CHANGELOG.md,README.md}'
+  - '!{.env,.env.*,.npmrc,pnpm-lock.yaml}'
+  - '!{tsconfig.json,tsconfig.node.json,tsconfig.web.json}'
+extraMetadata:
+  main: out/main/index.js
+asarUnpack:
+  - resources/**
+  - node_modules/ffmpeg-static/**
+  - node_modules/silk-wasm/**
+  - node_modules/sherpa-onnx-node/**
+  - node_modules/sherpa-onnx-*/**
+extraResources:
+  # Keep only resources required by the Windows x64 runtime.
+  - from: resources
+    to: resources
+    filter:
+      - icon.png
+      - daily_report_templates.html
+      - mobile_daily_report.html
+      - mobile_daily_report_v1.html
+      - mobile_daily_report_v2.html
+      - connectors/wechat/win32-x64/**
+      - key/win32/x64/**
+      - runtime/win32/**
+      - wcdb/win32/x64/**
+  - from: docs/skill/tracememo-reader
+    to: skill/tracememo-reader
+    filter:
+      - '**/*'
+win:
+  icon: icon.ico
+  # WCDB's Windows runtime checks the host executable name.
+  executableName: electron
+nsis:
+  oneClick: false
+  allowToChangeInstallationDirectory: true
+  artifactName: ${name}-${version}-setup.${ext}
+  shortcutName: ${productName}
+  uninstallDisplayName: ${productName}
+  createDesktopShortcut: always
+npmRebuild: false
+electronLanguages:
+  - zh-CN
+  - en-US
+publish:
+  provider: github
+  owner: Wxw-Gu
+  repo: WechatExplorer
+  releaseType: release
diff --git a/package.json b/package.json
index b301ca2..b3ec68f 100644
--- a/package.json
+++ b/package.json
@@ -49,17 +49,17 @@
     "test:visual": "pnpm test:e2e:build && playwright test tests/e2e/visual.spec.ts",
     "test:smoke": "node --test tests/smoke/native-environment.test.mjs",
     "build:wechat-connector": "node scripts/build-wechat-connector.cjs",
-    "build:wechat-connector:win": "node scripts/build-wechat-connector.cjs --platform win32 --arch x64,arm64",
+    "build:wechat-connector:win": "node scripts/build-wechat-connector.cjs --platform win32 --arch x64",
     "build:wechat-connector:mac": "node scripts/build-wechat-connector.cjs --platform darwin --arch arm64",
     "build:native-services": "npm run build:wechat-connector",
     "build": "npm run typecheck && npm run build:native-services && electron-vite build",
     "postinstall": "electron-builder install-app-deps && node scripts/prepare-electron-runtime.cjs",
     "build:unpack": "npm run build && electron-builder --config electron-builder.yml --dir",
-    "build:win": "npm run typecheck && npm run build:wechat-connector:win && npm run prepare:ffmpeg:win && electron-vite build && electron-builder --config electron-builder.yml --win --x64",
+    "build:win": "npm run typecheck && npm run build:wechat-connector:win && npm run prepare:ffmpeg:win && electron-vite build && electron-builder --config electron-builder.win.yml --win --x64",
     "build:mac:arm64": "npm run typecheck && node scripts/build-wechat-connector.cjs --platform darwin --arch arm64 && electron-vite build && electron-builder --config electron-builder.yml --mac --arm64",
     "release": "npm run release:mac && npm run release:win",
     "release:mac": "npm run typecheck && npm run build:wechat-connector:mac && electron-vite build && electron-builder --config electron-builder.yml --mac --arm64 --publish always",
-    "release:win": "npm run typecheck && npm run build:wechat-connector:win && npm run prepare:ffmpeg:win && electron-vite build && electron-builder --config electron-builder.yml --win --x64 --publish always",
+    "release:win": "npm run typecheck && npm run build:wechat-connector:win && npm run prepare:ffmpeg:win && electron-vite build && electron-builder --config electron-builder.win.yml --win --x64 --publish always",
     "release:beta": "cross-env RELEASE_TYPE=prerelease npm run release",
     "release:stable": "cross-env RELEASE_TYPE=release npm run release",
     "build:linux": "electron-vite build && electron-builder --config electron-builder.yml --linux"
diff --git a/tests/unit/runtime-packaging.test.ts b/tests/unit/runtime-packaging.test.ts
index c4d1967..432ec75 100644
--- a/tests/unit/runtime-packaging.test.ts
+++ b/tests/unit/runtime-packaging.test.ts
@@ -58,6 +58,16 @@ describe('production runtime packaging', () => {
     expect(config).toContain('node_modules/silk-wasm/**')
   })
 
+  it('uses a Windows x64-only resource set', () => {
+    const config = readFileSync(resolve(__dirname, '../../electron-builder.win.yml'), 'utf8')
+    expect(config).toContain('connectors/wechat/win32-x64/**')
+    expect(config).toContain('key/win32/x64/**')
+    expect(config).toContain('wcdb/win32/x64/**')
+    expect(config).toContain('electronLanguages:')
+    expect(config).not.toContain('win32-arm64')
+    expect(config).not.toContain('macos/')
+  })
+
   it('rejects an app archive with missing runtime dependencies', async () => {
     const resources = join(root, 'asar-resources')
     const source = join(root, 'asar-source')