diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e6b2dc70..f918adbe 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -44,7 +44,12 @@ jobs:
           # Windows x64
           - os: windows-latest
             arch: x64
-            build_cmd: pnpm run build:win
+            build_cmd: pnpm run build:win:x64
+            signing_identity: ''
+          # Windows ARM64
+          - os: windows-11-arm
+            arch: arm64
+            build_cmd: pnpm run build:win:arm64
             signing_identity: ''
 
     steps:
@@ -72,10 +77,12 @@ jobs:
             exit 1
           fi
 
-          echo "version=$version" >> "$GITHUB_OUTPUT"
-          echo "tag=v$version" >> "$GITHUB_OUTPUT"
-          echo "prerelease=$prerelease" >> "$GITHUB_OUTPUT"
-          echo "make_latest=$([ "$prerelease" = "true" ] && echo false || echo true)" >> "$GITHUB_OUTPUT"
+          {
+            echo "version=$version"
+            echo "tag=v$version"
+            echo "prerelease=$prerelease"
+            echo "make_latest=$([ "$prerelease" = "true" ] && echo false || echo true)"
+          } >> "$GITHUB_OUTPUT"
 
       - name: Set package version
         env:
@@ -84,21 +91,26 @@ jobs:
           node -e "const fs=require('fs'); const pkg=JSON.parse(fs.readFileSync('package.json','utf8')); pkg.version=process.env.RELEASE_VERSION; fs.writeFileSync('package.json', JSON.stringify(pkg,null,2)+'\n');"
 
       - name: Install pnpm
-        uses: pnpm/action-setup@v2
+        uses: pnpm/action-setup@v4
         with:
           version: 9
 
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.10'
+          python-version: '3.12'
 
       - name: Install Node.js
         uses: actions/setup-node@v4
         with:
           node-version: 22
+          architecture: ${{ matrix.arch }}
           cache: 'pnpm'
 
+      - name: Set up MSBuild
+        if: startsWith(matrix.os, 'windows')
+        uses: microsoft/setup-msbuild@v2
+
       - name: Install plugin dependencies
         run: |
           cd internal-plugins/setting
@@ -107,6 +119,46 @@ jobs:
       - name: Install dependencies
         run: pnpm install --frozen-lockfile
 
+      - name: Build and verify Windows native API
+        if: startsWith(matrix.os, 'windows')
+        shell: pwsh
+        env:
+          NATIVE_API_COMMIT: bb2025c9dddeedfd0738b7632650b2e4e8147466
+          TARGET_ARCH: ${{ matrix.arch }}
+        run: |
+          if ((node -p process.arch) -ne $env:TARGET_ARCH) {
+            throw "Node architecture does not match the target: $(node -p process.arch)"
+          }
+
+          $nativeRoot = Join-Path $env:RUNNER_TEMP 'ztools-native-api'
+          git clone https://github.com/ZToolsCenter/ZTools-native-api.git $nativeRoot
+          git -C $nativeRoot checkout --detach $env:NATIVE_API_COMMIT
+
+          Push-Location $nativeRoot
+          try {
+            npm ci --ignore-scripts
+            npm run build
+          } finally {
+            Pop-Location
+          }
+
+          $binaryPath = Join-Path $nativeRoot 'build/Release/ztools_native.node'
+          if (-not (Test-Path $binaryPath)) {
+            throw "Native API build output was not found: $binaryPath"
+          }
+
+          # Read IMAGE_FILE_HEADER.Machine directly so packaging cannot hide a cross-arch binary.
+          $bytes = [System.IO.File]::ReadAllBytes($binaryPath)
+          $peOffset = [System.BitConverter]::ToInt32($bytes, 0x3c)
+          $machine = [System.BitConverter]::ToUInt16($bytes, $peOffset + 4)
+          $expectedMachine = if ($env:TARGET_ARCH -eq 'arm64') { 0xaa64 } else { 0x8664 }
+          if ($machine -ne $expectedMachine) {
+            throw ('Native API PE machine mismatch: expected 0x{0:x4}, got 0x{1:x4}' -f $expectedMachine, $machine)
+          }
+
+          Copy-Item $binaryPath 'resources/lib/win/ztools_native.node' -Force
+          Write-Host ('Verified Windows native API PE machine 0x{0:x4}' -f $machine)
+
       - name: Prepare App Store Connect API key
         if: startsWith(matrix.os, 'macos')
         shell: bash
@@ -196,10 +248,12 @@ jobs:
             exit 1
           fi
 
-          echo "version=$version" >> "$GITHUB_OUTPUT"
-          echo "tag=v$version" >> "$GITHUB_OUTPUT"
-          echo "prerelease=$prerelease" >> "$GITHUB_OUTPUT"
-          echo "make_latest=$([ "$prerelease" = "true" ] && echo false || echo true)" >> "$GITHUB_OUTPUT"
+          {
+            echo "version=$version"
+            echo "tag=v$version"
+            echo "prerelease=$prerelease"
+            echo "make_latest=$([ "$prerelease" = "true" ] && echo false || echo true)"
+          } >> "$GITHUB_OUTPUT"
 
       - name: Set package version
         env:
@@ -208,7 +262,7 @@ jobs:
           node -e "const fs=require('fs'); const pkg=JSON.parse(fs.readFileSync('package.json','utf8')); pkg.version=process.env.RELEASE_VERSION; fs.writeFileSync('package.json', JSON.stringify(pkg,null,2)+'\n');"
 
       - name: Install pnpm
-        uses: pnpm/action-setup@v2
+        uses: pnpm/action-setup@v4
         with:
           version: 9
 
@@ -233,17 +287,24 @@ jobs:
           name: artifact-macos-14-arm64
           path: dist/mac-arm64
 
-      - name: Download Windows artifact
+      - name: Download Windows x64 artifact
         uses: actions/download-artifact@v4
         with:
           name: artifact-windows-latest-x64
-          path: dist/windows
+          path: dist/windows-x64
+
+      - name: Download Windows ARM64 artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: artifact-windows-11-arm-arm64
+          path: dist/windows-arm64
 
-      # 合并 macOS 双架构元数据，并规范化 Windows 与 macOS 的更新清单。
+      # 合并 Windows 与 macOS 双架构元数据，生成各平台的统一更新清单。
       - name: Generate update info
         env:
           RELEASE_VERSION: ${{ steps.release_meta.outputs.version }}
-          WINDOWS_UPDATE_METADATA: dist/windows/latest.yml
+          WINDOWS_X64_UPDATE_METADATA: dist/windows-x64/latest.yml
+          WINDOWS_ARM64_UPDATE_METADATA: dist/windows-arm64/latest.yml
           MAC_X64_UPDATE_METADATA: dist/mac-x64/latest-mac.yml
           MAC_ARM64_UPDATE_METADATA: dist/mac-arm64/latest-mac.yml
           UPDATE_METADATA_OUTPUT_DIR: dist/release
@@ -261,9 +322,12 @@ jobs:
           make_latest: ${{ steps.release_meta.outputs.make_latest }}
           body_path: changelog.md
           files: |
-            dist/windows/*.exe
-            dist/windows/*.zip
-            dist/windows/*.blockmap
+            dist/windows-x64/*.exe
+            dist/windows-x64/*.zip
+            dist/windows-x64/*.blockmap
+            dist/windows-arm64/*.exe
+            dist/windows-arm64/*.zip
+            dist/windows-arm64/*.blockmap
             dist/mac-x64/*.dmg
             dist/mac-x64/*.zip
             dist/mac-x64/*.blockmap
diff --git a/README.md b/README.md
index d833ddf4..98fb5393 100644
--- a/README.md
+++ b/README.md
@@ -95,7 +95,7 @@ _uTools 的开源实现 | 支持 macOS 和 Windows_
 从 [Releases](https://github.com/ZToolsCenter/ZTools/releases) 页面下载最新版本：
 
 - **macOS**: `ztools-x.x.x.dmg` 或 `ZTools-x.x.x-arm64-mac.zip`
-- **Windows**: `ztools-x.x.x-setup.exe` 或 `ztools-x.x.x-win.zip`
+- **Windows x64 / ARM64**: `ZTools-x.x.x-win-{arch}-setup.exe` 或 `ZTools-x.x.x-win-{arch}.zip`
 
 #### 方式 2：从源码构建
 
@@ -112,7 +112,8 @@ pnpm dev
 
 # 构建
 pnpm build:mac    # macOS
-pnpm build:win    # Windows
+pnpm build:win:x64   # Windows x64（build:win 仍为 x64 别名）
+pnpm build:win:arm64 # Windows ARM64
 pnpm build:linux  # Linux (当前主机架构)
 pnpm build:linux:x64 # Linux (按 amd64/x64 架构打包)
 pnpm build:linux:arm64 # Linux (按 arm64 架构打包)
@@ -217,7 +218,8 @@ pnpm lint               # ESLint 检查
 # 构建
 pnpm build              # 仅编译源码
 pnpm build:mac          # 打包 macOS 应用
-pnpm build:win          # 打包 Windows 应用
+pnpm build:win:x64      # 打包 Windows x64 应用（build:win 仍为 x64 别名）
+pnpm build:win:arm64    # 打包 Windows ARM64 应用
 pnpm build:linux        # 打包 Linux 应用 (当前主机架构)
 pnpm build:linux:x64    # 打包 Linux 应用 (amd64/x64)
 pnpm build:linux:arm64  # 打包 Linux 应用 (arm64)
diff --git a/README_EN.md b/README_EN.md
index da4fa3ed..eb8e8728 100644
--- a/README_EN.md
+++ b/README_EN.md
@@ -95,7 +95,7 @@ English | [简体中文](./README.md)
 Download the latest version from [Releases](https://github.com/ZToolsCenter/ZTools/releases):
 
 - **macOS**: `ztools-x.x.x.dmg` or `ZTools-x.x.x-arm64-mac.zip`
-- **Windows**: `ztools-x.x.x-setup.exe` or `ztools-x.x.x-win.zip`
+- **Windows x64 / ARM64**: `ZTools-x.x.x-win-{arch}-setup.exe` or `ZTools-x.x.x-win-{arch}.zip`
 
 #### Method 2: Build from Source
 
@@ -112,7 +112,8 @@ pnpm dev
 
 # Build
 pnpm build:mac    # macOS
-pnpm build:win    # Windows
+pnpm build:win:x64   # Windows x64 (build:win remains an x64 alias)
+pnpm build:win:arm64 # Windows ARM64
 pnpm build:linux  # Linux (Default Arch)
 pnpm build:linux:x64 # Linux (amd64/x64)
 pnpm build:linux:arm64 # Linux (arm64)
@@ -205,7 +206,8 @@ pnpm lint               # ESLint check
 # Build
 pnpm build              # Compile source code only
 pnpm build:mac          # Package macOS app
-pnpm build:win          # Package Windows app
+pnpm build:win:x64      # Package Windows x64 app (build:win remains an x64 alias)
+pnpm build:win:arm64    # Package Windows ARM64 app
 pnpm build:linux        # Package Linux app (Default Arch)
 pnpm build:linux:x64    # Package Linux app (amd64/x64)
 pnpm build:linux:arm64  # Package Linux app (arm64)
diff --git a/electron-builder.yml b/electron-builder.yml
index 4f0e46fd..331b444e 100644
--- a/electron-builder.yml
+++ b/electron-builder.yml
@@ -44,12 +44,8 @@ win:
   executableName: ZTools
   artifactName: ${name}-${version}-${os}-${arch}.${ext}
   target:
-    - target: nsis
-      arch:
-        - x64
-    - target: zip
-      arch:
-        - x64
+    - nsis
+    - zip
 nsis:
   artifactName: ${name}-${version}-${os}-${arch}-setup.${ext}
   include: build/installer.nsh
diff --git a/package.json b/package.json
index 7ab6877e..21596804 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,9 @@
     "build": "pnpm typecheck && pnpm build:setting && electron-vite build",
     "build:setting": "cd internal-plugins/setting && pnpm build",
     "build:unpack": "pnpm build && electron-builder --dir",
-    "build:win": "cross-env ZTOOLS_TARGET_PLATFORM=win32 pnpm build && electron-builder --win --publish never",
+    "build:win": "pnpm build:win:x64",
+    "build:win:x64": "cross-env ZTOOLS_TARGET_PLATFORM=win32 pnpm build && electron-builder --win --x64 --publish never",
+    "build:win:arm64": "cross-env ZTOOLS_TARGET_PLATFORM=win32 pnpm build && electron-builder --win --arm64 --publish never",
     "build:mac": "cross-env ZTOOLS_TARGET_PLATFORM=darwin pnpm build && electron-builder --mac --publish never",
     "build:mac:x64": "cross-env ZTOOLS_TARGET_PLATFORM=darwin pnpm build && electron-builder --mac --x64 --publish never",
     "build:mac:arm64": "cross-env ZTOOLS_TARGET_PLATFORM=darwin pnpm build && electron-builder --mac --arm64 --publish never",
@@ -67,7 +69,7 @@
     "simple-plist": "^1.3.1",
     "tar": "^7.5.9",
     "turndown": "^7.2.2",
-    "uiohook-napi": "^1.5.4",
+    "uiohook-napi": "^1.5.5",
     "uuid": "^13.0.0",
     "vuedraggable": "^4.1.0",
     "winreg": "^1.2.5",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 447a76ea..af5180b3 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -66,8 +66,8 @@ importers:
         specifier: ^7.2.2
         version: 7.2.2
       uiohook-napi:
-        specifier: ^1.5.4
-        version: 1.5.4
+        specifier: ^1.5.5
+        version: 1.5.5
       uuid:
         specifier: ^13.0.0
         version: 13.0.0
@@ -3001,8 +3001,8 @@ packages:
     engines: {node: '>=14.17'}
     hasBin: true
 
-  uiohook-napi@1.5.4:
-    resolution: {integrity: sha512-7vPVDNwgb6MwTgviA/dnF2MrW0X5xm76fAqaOAC3cEKkswqAZOPw1USu14Sr6383s5qhXegcJaR63CpJOPCNAg==}
+  uiohook-napi@1.5.5:
+    resolution: {integrity: sha512-oSlTdnECw2GBfsJPTbBQBeE4v/EXP0EZmX6BJq5nzH/JgFaBE8JpFwEA/kLhiEP7HxQw28FViWiYgdIZzWuuJQ==}
     engines: {node: '>= 16'}
 
   undici-types@6.21.0:
@@ -6243,7 +6243,7 @@ snapshots:
 
   typescript@5.9.3: {}
 
-  uiohook-napi@1.5.4:
+  uiohook-napi@1.5.5:
     dependencies:
       node-gyp-build: 4.8.4
 
diff --git a/scripts/sync-release-server.mjs b/scripts/sync-release-server.mjs
index 2b03ab95..90014a07 100644
--- a/scripts/sync-release-server.mjs
+++ b/scripts/sync-release-server.mjs
@@ -1,6 +1,6 @@
 import { readFileSync } from 'fs'
 import path from 'path'
-import { readUpdateMetadata } from './update-metadata.mjs'
+import { readUpdateMetadata, selectWindowsInstaller } from './update-metadata.mjs'
 
 /* eslint-disable @typescript-eslint/explicit-function-return-type */
 
@@ -107,10 +107,8 @@ async function main() {
     process.env.MAC_UPDATE_METADATA || 'dist/release/latest-mac.yml'
   )
   const release = await fetchGitHubRelease(repository, tag, githubToken)
-  const windowsFile = (windowsMetadata.files || []).find((file) =>
-    String(file?.url || '').endsWith('-setup.exe')
-  )
-  if (!windowsFile) throw new Error('Windows 更新元数据缺少 NSIS 安装包')
+  const windowsX64Installer = selectWindowsInstaller(windowsMetadata, 'x64')
+  const windowsArm64Installer = selectWindowsInstaller(windowsMetadata, 'arm64')
 
   const payload = {
     providerReleaseId: release.id,
@@ -121,7 +119,8 @@ async function main() {
     publishedAt: release.published_at,
     prerelease: Boolean(release.prerelease),
     artifacts: [
-      toArtifact(release, windowsFile, 'windows-x64-installer'),
+      toArtifact(release, windowsX64Installer, 'windows-x64-installer'),
+      toArtifact(release, windowsArm64Installer, 'windows-arm64-installer'),
       toArtifact(release, selectMetadataFile(macMetadata, '-x64.zip'), 'macos-x64'),
       toArtifact(release, selectMetadataFile(macMetadata, '-arm64.zip'), 'macos-arm64')
     ]
diff --git a/scripts/update-metadata.mjs b/scripts/update-metadata.mjs
index c6f17d52..1ed8a34f 100644
--- a/scripts/update-metadata.mjs
+++ b/scripts/update-metadata.mjs
@@ -64,6 +64,51 @@ export function mergeMacUpdateMetadata(x64Metadata, arm64Metadata, releaseNotes)
   }
 }
 
+/**
+ * 从单架构 Windows 元数据中选择标准 NSIS 安装包。
+ * @param {Record<string, any>} metadata 单架构 Windows 更新元数据。
+ * @param {'x64' | 'arm64'} arch 目标架构。
+ * @returns {Record<string, any>} 对应架构的 NSIS 安装包文件信息。
+ * @throws {Error} 找不到唯一且带 SHA-512 的架构安装包时抛出错误。
+ */
+export function selectWindowsInstaller(metadata, arch) {
+  const files = Array.isArray(metadata.files) ? metadata.files : []
+  const suffix = `-${arch}-setup.exe`
+  const matches = files.filter((file) => String(file?.url || '').endsWith(suffix))
+
+  if (matches.length !== 1) {
+    throw new Error(`Windows ${arch} 元数据必须包含且仅包含一个 ${suffix} 安装包`)
+  }
+  if (!matches[0].sha512) throw new Error(`Windows ${arch} 安装包缺少 SHA-512`)
+  return { ...matches[0] }
+}
+
+/**
+ * 合并两个架构的 Windows 元数据，供 electron-updater 按运行架构选择安装包。
+ * @param {Record<string, any>} x64Metadata Windows x64 更新元数据。
+ * @param {Record<string, any>} arm64Metadata Windows ARM64 更新元数据。
+ * @param {string} releaseNotes 发布说明。
+ * @returns {Record<string, any>} 合并后的 latest.yml 元数据。
+ * @throws {Error} 版本不一致或任一架构安装包无效时抛出错误。
+ */
+export function mergeWindowsUpdateMetadata(x64Metadata, arm64Metadata, releaseNotes) {
+  if (!x64Metadata.version || x64Metadata.version !== arm64Metadata.version) {
+    throw new Error('Windows x64 与 arm64 更新元数据版本不一致')
+  }
+
+  // 保持 x64 在前并保留顶层兼容字段，旧客户端仍会下载 x64 安装包。
+  const x64Installer = selectWindowsInstaller(x64Metadata, 'x64')
+  const arm64Installer = selectWindowsInstaller(arm64Metadata, 'arm64')
+
+  return {
+    ...x64Metadata,
+    files: [x64Installer, arm64Installer],
+    path: x64Installer.url,
+    sha512: x64Installer.sha512,
+    releaseNotes
+  }
+}
+
 /**
  * 为平台更新元数据补充统一发布说明。
  * @param {Record<string, any>} metadata 原始更新元数据。
diff --git a/scripts/updater.mjs b/scripts/updater.mjs
index 6b2aa12d..9fab6f29 100644
--- a/scripts/updater.mjs
+++ b/scripts/updater.mjs
@@ -8,8 +8,10 @@ import {
 } from './version-utils.mjs'
 import {
   mergeMacUpdateMetadata,
+  mergeWindowsUpdateMetadata,
   readUpdateMetadata,
   selectMacUpdateZip,
+  selectWindowsInstaller,
   validateReferencedAsset,
   withReleaseNotes,
   writeUpdateMetadata
@@ -32,21 +34,46 @@ console.log(`下载地址: ${downloadUrl}`)
 const downloadLinks = generateDownloadLinksMarkdown(downloadUrl, version)
 const updatedChangelog = changelog + downloadLinks
 
-// CI 使用独立目录避免两个 macOS job 的同名 latest-mac.yml 相互覆盖。
-const windowsMetadataPath = process.env.WINDOWS_UPDATE_METADATA || 'dist/latest.yml'
+// CI 使用独立目录避免不同架构 job 的同名更新元数据相互覆盖。
+const windowsX64MetadataPath = process.env.WINDOWS_X64_UPDATE_METADATA
+const windowsArm64MetadataPath = process.env.WINDOWS_ARM64_UPDATE_METADATA
+const fallbackWindowsMetadataPath = process.env.WINDOWS_UPDATE_METADATA || 'dist/latest.yml'
 const macX64MetadataPath = process.env.MAC_X64_UPDATE_METADATA
 const macArm64MetadataPath = process.env.MAC_ARM64_UPDATE_METADATA
 const metadataOutputDir =
-  process.env.UPDATE_METADATA_OUTPUT_DIR || path.dirname(windowsMetadataPath)
+  process.env.UPDATE_METADATA_OUTPUT_DIR ||
+  path.dirname(windowsX64MetadataPath || fallbackWindowsMetadataPath)
 const requireUpdateMetadata = process.env.REQUIRE_UPDATE_METADATA === 'true'
 
-if (existsSync(windowsMetadataPath)) {
-  const windowsMetadata = withReleaseNotes(readUpdateMetadata(windowsMetadataPath), changelog)
+if (windowsX64MetadataPath || windowsArm64MetadataPath) {
+  if (!windowsX64MetadataPath || !windowsArm64MetadataPath) {
+    throw new Error('必须同时提供 WINDOWS_X64_UPDATE_METADATA 和 WINDOWS_ARM64_UPDATE_METADATA')
+  }
+
+  const x64Metadata = readUpdateMetadata(windowsX64MetadataPath)
+  const arm64Metadata = readUpdateMetadata(windowsArm64MetadataPath)
+  const x64Installer = selectWindowsInstaller(x64Metadata, 'x64')
+  const arm64Installer = selectWindowsInstaller(arm64Metadata, 'arm64')
+
+  // 发布前确认两个架构的安装包都实际存在于各自构建产物目录。
+  validateReferencedAsset(windowsX64MetadataPath, x64Installer)
+  validateReferencedAsset(windowsArm64MetadataPath, arm64Installer)
+
+  const windowsMetadata = mergeWindowsUpdateMetadata(x64Metadata, arm64Metadata, changelog)
+  const windowsOutputPath = path.join(metadataOutputDir, 'latest.yml')
+  writeUpdateMetadata(windowsOutputPath, windowsMetadata)
+  console.log(`✅ 已生成 ${windowsOutputPath}`)
+} else if (existsSync(fallbackWindowsMetadataPath)) {
+  // 保留单架构调用方式，供本地或旧版发布脚本继续规范化已有 latest.yml。
+  const windowsMetadata = withReleaseNotes(
+    readUpdateMetadata(fallbackWindowsMetadataPath),
+    changelog
+  )
   const windowsOutputPath = path.join(metadataOutputDir, 'latest.yml')
   writeUpdateMetadata(windowsOutputPath, windowsMetadata)
   console.log(`✅ 已生成 ${windowsOutputPath}`)
 } else {
-  const message = `未找到 Windows 更新元数据: ${windowsMetadataPath}`
+  const message = `未找到 Windows 更新元数据: ${fallbackWindowsMetadataPath}`
   if (requireUpdateMetadata) throw new Error(message)
   console.warn(`⚠️ ${message}`)
 }
diff --git a/scripts/version-utils.mjs b/scripts/version-utils.mjs
index 44a13ed4..86ea6a30 100644
--- a/scripts/version-utils.mjs
+++ b/scripts/version-utils.mjs
@@ -86,7 +86,12 @@ export function getDownloadUrl(isDev, version) {
   }
 }
 
-// 生成下载链接的 Markdown
+/**
+ * 生成当前版本各平台、各架构发布产物的下载链接。
+ * @param {string} downloadUrl GitHub Release 下载目录。
+ * @param {string} version 不带 v 前缀的发布版本号。
+ * @returns {string} 可追加到 changelog 的 Markdown 下载链接。
+ */
 export function generateDownloadLinksMarkdown(downloadUrl, version) {
   let links = '\n\n---\n\n### 下载地址：\n\n'
 
@@ -94,6 +99,10 @@ export function generateDownloadLinksMarkdown(downloadUrl, version) {
   links += `- 安装版：[ZTools-${version}-win-x64-setup.exe](${downloadUrl}/ZTools-${version}-win-x64-setup.exe)\n`
   links += `- 便携版：[ZTools-${version}-win-x64.zip](${downloadUrl}/ZTools-${version}-win-x64.zip)\n\n`
 
+  links += '#### Windows 10/11 (ARM64)：\n\n'
+  links += `- 安装版：[ZTools-${version}-win-arm64-setup.exe](${downloadUrl}/ZTools-${version}-win-arm64-setup.exe)\n`
+  links += `- 便携版：[ZTools-${version}-win-arm64.zip](${downloadUrl}/ZTools-${version}-win-arm64.zip)\n\n`
+
   links += '#### macOS 11+ (Apple Silicon)：\n\n'
   links += `- DMG：[ZTools-${version}-mac-arm64.dmg](${downloadUrl}/ZTools-${version}-mac-arm64.dmg)\n`
   links += `- ZIP：[ZTools-${version}-mac-arm64.zip](${downloadUrl}/ZTools-${version}-mac-arm64.zip)\n\n`
diff --git a/src/main/api/serverUpdateCatalog.ts b/src/main/api/serverUpdateCatalog.ts
index 5e749071..dc7ac769 100644
--- a/src/main/api/serverUpdateCatalog.ts
+++ b/src/main/api/serverUpdateCatalog.ts
@@ -25,13 +25,20 @@ interface ServerDownloadsResponse {
 
 /**
  * 返回服务端更新目录使用的系统类型。
+ * @param platform 待匹配的平台，默认使用当前 Electron 运行平台。
+ * @param arch 待匹配的架构，默认使用当前 Electron 运行架构。
  * @returns 当前 Electron 运行平台与架构对应的系统类型。
  */
-export function getUpdateSystemType(): string {
-  if (process.platform === 'win32') return 'windows-x64-installer'
-  if (process.platform === 'darwin') return process.arch === 'arm64' ? 'macos-arm64' : 'macos-x64'
-  if (process.platform === 'linux') return process.arch === 'arm64' ? 'linux-arm64' : 'linux-x64'
-  return `${process.platform}-${process.arch}`
+export function getUpdateSystemType(
+  platform: NodeJS.Platform = process.platform,
+  arch: string = process.arch
+): string {
+  if (platform === 'win32') {
+    return arch === 'arm64' ? 'windows-arm64-installer' : 'windows-x64-installer'
+  }
+  if (platform === 'darwin') return arch === 'arm64' ? 'macos-arm64' : 'macos-x64'
+  if (platform === 'linux') return arch === 'arm64' ? 'linux-arm64' : 'linux-x64'
+  return `${platform}-${arch}`
 }
 
 /**
diff --git a/src/main/core/ffmpeg.ts b/src/main/core/ffmpeg.ts
index b37bc5f8..b01f9f42 100644
--- a/src/main/core/ffmpeg.ts
+++ b/src/main/core/ffmpeg.ts
@@ -19,9 +19,9 @@ class FFmpegManager {
 
   private readonly DOWNLOAD_URLS = {
     'win32-x64':
-      'https://github.com/BtbN/FFmpeg-Builds/releases/download/autobuild-2026-07-15-14-01/ffmpeg-n8.1.2-22-g94138f6973-win64-gpl-8.1.zip',
+      'https://github.com/BtbN/FFmpeg-Builds/releases/download/latest/ffmpeg-master-latest-win64-gpl.zip',
     'win32-arm64':
-      'https://github.com/BtbN/FFmpeg-Builds/releases/download/autobuild-2026-07-15-14-01/ffmpeg-n8.1.2-22-g94138f6973-winarm64-gpl-8.1.zip',
+      'https://github.com/BtbN/FFmpeg-Builds/releases/download/latest/ffmpeg-master-latest-winarm64-gpl.zip',
     'darwin-arm64':
       'https://github.com/eko5624/mpv-mac/releases/download/2026-03-09/ffmpeg-arm64-248b481c33.zip',
     'darwin-x64':
@@ -29,13 +29,19 @@ class FFmpegManager {
   }
 
   /**
-   * FFmpeg 存储路径: {userData}/extends/ffmpeg{.exe}
+   * 返回当前平台与架构隔离后的 FFmpeg 存储路径。
+   * @returns FFmpeg 可执行文件的绝对路径。
    */
   private resolveFFmpegPath(): string {
-    const ext = process.platform === 'win32' ? '.exe' : ''
-    return path.join(getExtendsPath(), `ffmpeg${ext}`)
+    const fileName = process.platform === 'win32' ? `ffmpeg-${process.arch}.exe` : 'ffmpeg'
+    return path.join(getExtendsPath(), fileName)
   }
 
+  /**
+   * 返回当前平台与架构对应的 FFmpeg 下载地址。
+   * @returns FFmpeg 压缩包下载地址。
+   * @throws 当前平台与架构没有可用构建时抛出错误。
+   */
   private getDownloadUrl(): string {
     const key = `${process.platform}-${process.arch}`
     const url = this.DOWNLOAD_URLS[key as keyof typeof this.DOWNLOAD_URLS]
diff --git a/tests/main/serverUpdateCatalog.test.ts b/tests/main/serverUpdateCatalog.test.ts
index dcd54101..39928684 100644
--- a/tests/main/serverUpdateCatalog.test.ts
+++ b/tests/main/serverUpdateCatalog.test.ts
@@ -1,6 +1,25 @@
-import { describe, expect, it } from 'vitest'
+import { describe, expect, it, vi } from 'vitest'
+
+vi.mock('electron', () => ({ app: { getVersion: () => '3.1.0' } }))
+vi.mock('../../src/main/api/renderer/pluginMarketConfig', () => ({
+  DEFAULT_SYNC_SERVER_URL: 'wss://z-tools.top',
+  syncServerUrlToHttp: () => 'https://z-tools.top'
+}))
+vi.mock('../../src/main/utils/httpRequest', () => ({ httpRequest: vi.fn() }))
+vi.mock('../../src/main/api/shared/database', () => ({
+  default: { dbGet: vi.fn() }
+}))
+
+import { getUpdateSystemType } from '../../src/main/api/serverUpdateCatalog'
 import { resolveUpdateChannel } from '../../src/shared/updateChannel'
 
+describe('getUpdateSystemType', () => {
+  it('selects the Windows installer matching the current architecture', () => {
+    expect(getUpdateSystemType('win32', 'x64')).toBe('windows-x64-installer')
+    expect(getUpdateSystemType('win32', 'arm64')).toBe('windows-arm64-installer')
+  })
+})
+
 describe('resolveUpdateChannel', () => {
   it('keeps regular releases on the stable channel by default', () => {
     expect(resolveUpdateChannel('3.1.0')).toBe('stable')
diff --git a/tests/scripts/updateMetadata.test.ts b/tests/scripts/updateMetadata.test.ts
index a39605a6..ceaa56ae 100644
--- a/tests/scripts/updateMetadata.test.ts
+++ b/tests/scripts/updateMetadata.test.ts
@@ -1,9 +1,14 @@
 import { describe, expect, it } from 'vitest'
 import {
   mergeMacUpdateMetadata,
+  mergeWindowsUpdateMetadata,
   selectMacUpdateZip,
-  withReleaseNotes
+  selectWindowsInstaller,
+  validateReferencedAsset
 } from '../../scripts/update-metadata.mjs'
+import { mkdtempSync, rmSync, writeFileSync } from 'node:fs'
+import { tmpdir } from 'node:os'
+import path from 'node:path'
 
 const x64Metadata = {
   version: '3.0.0-beta.9',
@@ -63,22 +68,109 @@ describe('macOS update metadata', () => {
 })
 
 describe('Windows update metadata', () => {
-  it('adds release notes without rewriting electron-builder metadata', () => {
-    const normalized = withReleaseNotes(
+  const windowsX64Metadata = {
+    version: '3.0.0-beta.9',
+    files: [
       {
-        version: '3.0.0-beta.9',
-        files: [{ url: 'ZTools-3.0.0-beta.9-win-x64-setup.exe', sha512: 'setup-sha512' }],
-        path: 'ZTools-3.0.0-beta.9-win-x64-setup.exe',
-        sha512: 'setup-sha512',
-        releaseDate: '2026-07-20T00:00:00.000Z'
+        url: 'ZTools-3.0.0-beta.9-win-x64-setup.exe',
+        sha512: 'setup-x64',
+        size: 120
       },
+      { url: 'ZTools-3.0.0-beta.9-win-x64.zip', sha512: 'zip-x64' }
+    ],
+    path: 'ZTools-3.0.0-beta.9-win-x64-setup.exe',
+    sha512: 'setup-x64',
+    releaseDate: '2026-07-20T00:00:00.000Z'
+  }
+
+  const windowsArm64Metadata = {
+    version: '3.0.0-beta.9',
+    files: [
+      {
+        url: 'ZTools-3.0.0-beta.9-win-arm64-setup.exe',
+        sha512: 'setup-arm64',
+        size: 110
+      }
+    ],
+    releaseDate: '2026-07-20T00:00:01.000Z'
+  }
+
+  it('selects exactly one checksummed installer for the requested architecture', () => {
+    expect(selectWindowsInstaller(windowsArm64Metadata, 'arm64')).toMatchObject({
+      url: 'ZTools-3.0.0-beta.9-win-arm64-setup.exe',
+      sha512: 'setup-arm64'
+    })
+  })
+
+  it('merges x64 then arm64 installers and keeps legacy fields on x64', () => {
+    const merged = mergeWindowsUpdateMetadata(
+      windowsX64Metadata,
+      windowsArm64Metadata,
       'release notes'
     )
 
-    expect(normalized.files[0].sha512).toBe('setup-sha512')
-    expect(normalized.path).toBe('ZTools-3.0.0-beta.9-win-x64-setup.exe')
-    expect(normalized.sha512).toBe('setup-sha512')
-    expect(normalized.releaseNotes).toBe('release notes')
-    expect(normalized).not.toHaveProperty('changelog')
+    expect(merged.files).toEqual([
+      {
+        url: 'ZTools-3.0.0-beta.9-win-x64-setup.exe',
+        sha512: 'setup-x64',
+        size: 120
+      },
+      {
+        url: 'ZTools-3.0.0-beta.9-win-arm64-setup.exe',
+        sha512: 'setup-arm64',
+        size: 110
+      }
+    ])
+    expect(merged.path).toBe('ZTools-3.0.0-beta.9-win-x64-setup.exe')
+    expect(merged.sha512).toBe('setup-x64')
+    expect(merged.releaseNotes).toBe('release notes')
+  })
+
+  it('rejects Windows metadata from different versions', () => {
+    expect(() =>
+      mergeWindowsUpdateMetadata(
+        windowsX64Metadata,
+        { ...windowsArm64Metadata, version: '3.0.1' },
+        ''
+      )
+    ).toThrow('版本不一致')
+  })
+
+  it('rejects missing, duplicate, or unsigned Windows installers', () => {
+    expect(() => selectWindowsInstaller({ ...windowsArm64Metadata, files: [] }, 'arm64')).toThrow(
+      '必须包含且仅包含一个'
+    )
+    expect(() =>
+      selectWindowsInstaller(
+        {
+          ...windowsArm64Metadata,
+          files: [...windowsArm64Metadata.files, ...windowsArm64Metadata.files]
+        },
+        'arm64'
+      )
+    ).toThrow('必须包含且仅包含一个')
+    expect(() =>
+      selectWindowsInstaller(
+        {
+          ...windowsArm64Metadata,
+          files: [{ url: 'ZTools-3.0.0-beta.9-win-arm64-setup.exe' }]
+        },
+        'arm64'
+      )
+    ).toThrow('缺少 SHA-512')
+  })
+
+  it('rejects metadata that references an installer missing from disk', () => {
+    const metadataDir = mkdtempSync(path.join(tmpdir(), 'ztools-update-metadata-'))
+    const metadataPath = path.join(metadataDir, 'latest.yml')
+    writeFileSync(metadataPath, 'version: 3.0.0-beta.9\n')
+
+    try {
+      expect(() => validateReferencedAsset(metadataPath, windowsArm64Metadata.files[0])).toThrow(
+        '引用的文件不存在'
+      )
+    } finally {
+      rmSync(metadataDir, { recursive: true, force: true })
+    }
   })
 })