diff --git a/bin/main.ps1 b/bin/main.ps1
index 3dd791a..c7eaaa5 100644
--- a/bin/main.ps1
+++ b/bin/main.ps1
@@ -1,15 +1,15 @@
-# 设置严格模式，遇到错误停止，防止错误的命令雪崩
+# Stop on errors to avoid cascading failures.
 $ErrorActionPreference = "Stop"
 #Set-StrictMode -Version Latest
 
-# === 1. 加载依赖库 ===
-# 确保 lib 目录存在
+# === 1. Check dependencies ===
+# Make sure the lib directory exists.
 if (-not (Test-Path "$PSScriptRoot\..\lib")) {
     Write-Error "Cannot find .\lib, some files missing."
     exit 1
 }
 
-# === 2. 读取配置 ===
+# === 2. Read configuration ===
 $jsonPath = "$PSScriptRoot\apps.json"
 if (-not (Test-Path $jsonPath)) {
     Write-Error "Cannot find: $jsonPath"
@@ -17,7 +17,7 @@ if (-not (Test-Path $jsonPath)) {
 }
 
 Write-Host "Reading configurations..." -ForegroundColor Cyan
-# 使用 UTF8 读取防止中文乱码
+# Read as UTF-8.
 $apps = Get-Content $jsonPath -Encoding UTF8 | ConvertFrom-Json
 $forcePostInstall = $false
 
@@ -44,14 +44,14 @@ function Unblock-WinGetCache {
     }
 }
 
-# === 2.1 加载外部开关配置 (selection.ini) ===
-# 尝试查找根目录下的 selection.ini (位于 bin 的上一级)
+# === 2.1 Load selection.ini overrides ===
+# selection.ini is located in the project root, one level above bin.
 $selectionPath = Join-Path (Split-Path $PSScriptRoot -Parent) "selection.ini"
 
 if (Test-Path $selectionPath) {
     Write-Host "Loading selection overrides from selection.ini..." -ForegroundColor Cyan
     try {
-        # 创建哈希表分别存储 App 开关和全局选项
+        # Store app switches and global options separately.
         $selectionConfig = @{}
         $optionsConfig = @{}
         $currentSection = ""
@@ -71,7 +71,7 @@ if (Test-Path $selectionPath) {
                 continue
             }
 
-            # 按第一个等号分割，限制分割次数为 2
+            # Split on the first equals sign only.
             $parts = $line -split '=', 2
             if ($parts.Count -eq 2) {
                 $key = $parts[0].Trim()
@@ -89,10 +89,10 @@ if (Test-Path $selectionPath) {
             $forcePostInstall = $optionsConfig["ForcePostInstall"] -eq "1"
         }
 
-        # 应用配置
+        # Apply app enabled overrides.
         foreach ($app in $apps) {
             if ($selectionConfig.ContainsKey($app.Name)) {
-                # 转换为整数 1 或 0
+                # Convert to integer 1 or 0.
                 $app.Enabled = [int]$selectionConfig[$app.Name]
             }
         }
@@ -101,16 +101,16 @@ if (Test-Path $selectionPath) {
     }
 }
 
-# === 2.2 启用本地 Manifest 安装 ===
-# winget install --manifest 需要先启用 LocalManifestFiles，重复执行不会影响后续安装。
+# === 2.2 Enable local manifest installation ===
+# winget install --manifest requires LocalManifestFiles. Re-running this is harmless.
 Write-Host "Enabling winget local manifest support..." -ForegroundColor Cyan
 winget settings --enable LocalManifestFiles
 
-# === 3. 主循环 ===
+# === 3. Main loop ===
 foreach ($app in $apps) {
     if ($app.Enabled -ne 1) {
         Write-Host "[Skipping] $($app.Name)" -ForegroundColor DarkGray
-        continue # 立即结束本次循环，进入下一个软件
+        continue # Skip this app.
     }
 
     Write-Host "`n==========================================" -ForegroundColor Cyan
@@ -118,10 +118,10 @@ foreach ($app in $apps) {
     Write-Host "=========================================="
 
     if ($app.Id -eq "System.Config") {
-        # 如果是纯配置项，直接打印跳过信息
+        # This is a configuration-only item.
         Write-Host "[System Config] Skipping install..." -ForegroundColor Magenta
     } else {
-        # --- 步骤 A: Winget 安装 ---
+        # --- Step A: Winget install ---
         $manifestPath = $null
         $manifestTempDir = $null
 
@@ -173,8 +173,7 @@ foreach ($app in $apps) {
                 # "--scope", "machine"
             )
 
-            # [版本检查逻辑]
-            # 检查 Version 是否存在且不为空字符串
+            # Add Version only when configured.
             if (-not [string]::IsNullOrWhiteSpace($app.Version)) {
                 Write-Host "-> Version: $($app.Version)"
                 $wingetArgs += "-v"
@@ -186,7 +185,7 @@ foreach ($app in $apps) {
 
         Write-Host "-> Installing via winget..."
         
-        # 执行安装
+        # Run install command.
         try {
             & winget @wingetArgs
             $exitCode = $LASTEXITCODE
@@ -204,7 +203,7 @@ foreach ($app in $apps) {
             }
         }
 
-        # 检查安装结果 (0=成功, -1978335189=已安装)
+        # Check install result (0=success, -1978335189=already installed).
         if ($exitCode -eq 0) {
             Write-Host "[Success]" -ForegroundColor Green
         } elseif ($exitCode -eq -1978335189) {
@@ -212,22 +211,22 @@ foreach ($app in $apps) {
                 Write-Host "[Skip] Already installed, running PostInstall..." -ForegroundColor Yellow
             } else {
                 Write-Host "[Skip] Already installed" -ForegroundColor Yellow
-                continue # 已经安装的为了避免覆盖配置，也就不配置了
+                continue # Skip PostInstall when already installed.
             }
         } else {
             Write-Error "[Fail] Error code: $exitCode"
-            continue # 安装失败则跳过后续配置
+            continue # Skip PostInstall on install failure.
         }
     }
 
-    # --- 步骤 B: PostInstall 配置 ---
+    # --- Step B: PostInstall configuration ---
     if ($app.PostInstall -and $app.PostInstall.Count -gt 0) {
         Write-Host "`n-> Configuring..." -ForegroundColor Cyan
 
         $stepIndex = 0
         foreach ($action in $app.PostInstall) {
             
-            # [间隔逻辑] 如果这不是第一步，先等待 2 秒
+            # Wait between PostInstall steps.
             if ($stepIndex -gt 0) {
                 Write-Host "(Waiting 2 seconds...)" -ForegroundColor DarkGray
                 Start-Sleep -Seconds 2
@@ -236,20 +235,20 @@ foreach ($app in $apps) {
             try {
                 switch ($action.Type) {
                     
-                    # 1. 复制文件
+                    # 1. Copy file.
                     "FileCopy" {
                         & "$PSScriptRoot\..\lib\invoke-filecopy.ps1" `
                             -Source $action.Source `
                             -Destination $action.Destination
                     }
 
-                    # 2. 导入注册表
+                    # 2. Import registry file.
                     "RegImport" {
                         & "$PSScriptRoot\..\lib\invoke-regimport.ps1" `
                             -Path $action.Path
                     }
 
-                    # 3. 执行 CMD
+                    # 3. Run command.
                     "Command" {
                         & "$PSScriptRoot\..\lib\invoke-cmdexec.ps1" `
                             -Command $action.Command `
diff --git a/install.bat b/install.bat
index 481252f..51b6cdf 100644
--- a/install.bat
+++ b/install.bat
@@ -1,26 +1,25 @@
 @echo off
-:: ==========================================
-:: 自动化装机工具启动器
-:: ==========================================
+rem ==========================================
+rem Winit Helper launcher
+rem ==========================================
 
-:: 1. 强制切换到当前批处理文件所在的目录
-:: 这一步至关重要，防止以管理员身份运行时路径变成了 C:\Windows\System32
+rem Always run from the project directory.
 cd /d "%~dp0"
 
-:: 2. 检查管理员权限
+rem Relaunch as administrator when needed.
 if not "%1" == "am_admin" (
     rem you'd better keep the following line as it is.
-    powershell start -verb runas '%0' am_admin & exit /b
+    powershell.exe -NoProfile -Command "Start-Process -FilePath '%~f0' -ArgumentList 'am_admin' -Verb RunAs"
+    exit /b
 )
 
-:: ==========================================
-:: 3. 核心执行逻辑
-:: ==========================================
+rem ==========================================
+rem Run main script
+rem ==========================================
 
 echo Calling main.ps1...
 
-:: -NoProfile: 不加载用户配置文件，加快启动速度
-:: -ExecutionPolicy Bypass: 绕过默认的脚本执行策略限制
-:: -File: 指定要运行的脚本文件
+rem Remove Zone.Identifier from copied or downloaded project files.
+powershell.exe -NoProfile -ExecutionPolicy Bypass -Command "Get-ChildItem -LiteralPath '%~dp0' -Recurse -File -Include *.ps1,*.psm1,*.bat,*.cmd,*.json,*.yaml,*.yml,*.reg | Unblock-File -ErrorAction SilentlyContinue"
 
 powershell.exe -NoExit -NoProfile -ExecutionPolicy Bypass -File ".\bin\main.ps1"
diff --git a/lib/invoke-cmdexec.ps1 b/lib/invoke-cmdexec.ps1
index df7a41e..e638abe 100644
--- a/lib/invoke-cmdexec.ps1
+++ b/lib/invoke-cmdexec.ps1
@@ -3,36 +3,36 @@ param(
     [string]$WorkDir = $null
 )
 
-# 1. 处理工作目录
+# 1. Resolve work directory.
 if ([string]::IsNullOrEmpty($WorkDir)) {
     $WorkDir = $PSScriptRoot
 } else {
-    # 如果 WorkDir 里包含变量（如 $env:APPDATA），展开它
+    # Expand variables in WorkDir, such as $env:APPDATA.
     $WorkDir = $ExecutionContext.InvokeCommand.ExpandString($WorkDir)
 }
 
-# 确保目录存在，否则命令会报错
+# Make sure the directory exists.
 if (-not (Test-Path $WorkDir)) {
     Write-Warning "`n[CMD] WARNING: The work dir does not exist, using ($WorkDir)"
     $WorkDir = $PSScriptRoot
 }
 
-# 2. 处理命令中的环境变量
+# 2. Expand variables in the command.
 $ProjectRoot = Split-Path $PSScriptRoot -Parent
-# === 替换 $PSScriptRoot 为实际的绝对路径 ===
-# 注意：要处理反斜杠转义问题，直接用字符串替换最安全
+# Replace $PSScriptRoot with the project root path.
+# Direct string replacement is the safest option for backslashes.
 if ($Command.Contains('$PSScriptRoot')) {
     $Command = $Command.Replace('$PSScriptRoot', $ProjectRoot)
 }
 
-# 这一步很关键，让你可以写 "echo $env:USERNAME"
+# This allows commands such as "echo $env:USERNAME".
 $Command = $ExecutionContext.InvokeCommand.ExpandString($Command)
 
 Write-Host "`n[CMD] Execute: $Command" -ForegroundColor Gray
 
-# 3. 启动进程
-# /c 表示执行完命令后关闭 cmd 窗口
-# /s 开启参数的一般处理（忽略第一个和最后一个引号，为了兼容复杂引号情况）
+# 3. Start cmd.exe.
+# /c closes cmd after the command completes.
+# /s enables cmd quote handling for complex command strings.
 $processOptions = @{
     FilePath = "cmd.exe"
     ArgumentList = "/s", "/c", "`"$Command`""
@@ -45,10 +45,10 @@ $processOptions = @{
 try {
     $proc = Start-Process @processOptions
     
-    # 4. 检查退出代码 (ExitCode)
+    # 4. Check exit code.
     if ($proc.ExitCode -ne 0) {
         Write-Error "`n[CMD] Failed to execute, exit code: $($proc.ExitCode)"
     }
 } catch {
     Write-Error "`n[CMD] Failed to start process: $_"
-}
\ No newline at end of file
+}
diff --git a/lib/invoke-filecopy.ps1 b/lib/invoke-filecopy.ps1
index fe202f4..5e10f3b 100644
--- a/lib/invoke-filecopy.ps1
+++ b/lib/invoke-filecopy.ps1
@@ -7,35 +7,33 @@ param(
 )
 
 try {
-    # 1. 路径预处理：展开环境变量 (例如把 $env:APPDATA 变成 C:\Users\...\AppData\Roaming)
+    # 1. Expand variables in paths.
     $ResolvedSource = $ExecutionContext.InvokeCommand.ExpandString($Source)
     $ResolvedDest   = $ExecutionContext.InvokeCommand.ExpandString($Destination)
 
-    # 2. 处理相对路径 (针对源文件)
-    # 如果源路径是相对路径 (./assets/...), 尝试将其转换为绝对路径
-    # 假设脚本是从项目根目录调用的
+    # 2. Resolve relative source paths from the project root.
     if (-not (Test-Path $ResolvedSource) -and (Test-Path "$PWD\$ResolvedSource")) {
         $ResolvedSource = Join-Path $PWD $ResolvedSource
     }
 
-    # 3. 再次检查源文件是否存在
+    # 3. Make sure the source file exists.
     if (-not (Test-Path $ResolvedSource -PathType Leaf)) {
         Write-Warning "`n[FileCopy] [Skip] File not found: $ResolvedSource"
-        return # 退出脚本
+        return
     }
 
-    # 4. 处理目标目录 (自动创建不存在的文件夹)
+    # 4. Create destination directory when needed.
     $DestDir = Split-Path -Path $ResolvedDest -Parent
     if (-not (Test-Path $DestDir)) {
         Write-Host "`n[FileCopy] Create dir: $DestDir" -ForegroundColor DarkGray
         New-Item -Path $DestDir -ItemType Directory -Force | Out-Null
     }
 
-    # 5. 执行复制 (Force = 覆盖)
+    # 5. Copy file. Force overwrites existing files.
     Copy-Item -Path $ResolvedSource -Destination $ResolvedDest -Force -ErrorAction Stop
     
     Write-Host "`n[FileCopy] Success: $ResolvedDest" -ForegroundColor Green
 
 } catch {
     Write-Error "`n[FileCopy] Fail: $_"
-}
\ No newline at end of file
+}
diff --git a/lib/invoke-regimport.ps1 b/lib/invoke-regimport.ps1
index a3d1eeb..3820c3c 100644
--- a/lib/invoke-regimport.ps1
+++ b/lib/invoke-regimport.ps1
@@ -4,17 +4,15 @@ param(
 )
 
 try {
-    # 1. 路径预处理
-    # 展开环境变量 (虽然 .reg 路径通常是固定的，但支持一下没坏处)
+    # 1. Expand variables in the path.
     $ResolvedPath = $ExecutionContext.InvokeCommand.ExpandString($Path)
 
-    # 2. 处理相对路径
-    # 如果路径是相对的 (./assets/...), 转换为绝对路径
+    # 2. Resolve relative paths from the project root.
     if (-not (Test-Path $ResolvedPath) -and (Test-Path "$PWD\$ResolvedPath")) {
         $ResolvedPath = Join-Path $PWD $ResolvedPath
     }
 
-    # 3. 检查文件是否存在
+    # 3. Make sure the registry file exists.
     if (-not (Test-Path $ResolvedPath)) {
         Write-Warning "`n[RegImport] [Skip] Cannot find: $ResolvedPath"
         return
@@ -22,8 +20,7 @@ try {
 
     Write-Host "`n[RegImport] Importing: $(Split-Path $ResolvedPath -Leaf)" -ForegroundColor Gray
 
-    # 4. 调用 reg.exe 导入
-    # 使用 Start-Process 以获取退出代码
+    # 4. Import with reg.exe and capture the exit code.
     $proc = Start-Process -FilePath "reg.exe" -ArgumentList "import", "`"$ResolvedPath`"" -Wait -PassThru -NoNewWindow
 
     if ($proc.ExitCode -eq 0) {
@@ -34,4 +31,4 @@ try {
 
 } catch {
     Write-Error "`n[RegImport] Failed to start process: $_"
-}
\ No newline at end of file
+}