diff --git a/README.md b/README.md
index 3967134..b52ed22 100644
--- a/README.md
+++ b/README.md
@@ -49,6 +49,9 @@ cd skills
 
 提供安装脚本，支持灵活选择安装范围和目标位置。
 
+<details open>
+<summary><b>Linux / macOS</b></summary>
+
 **查看可用 Skills：**
 
 ```bash
@@ -81,18 +84,57 @@ cd skills
 ./install.sh --target /your/custom/path --all
 ```
 
+</details>
+
+<details open>
+<summary><b>Windows (PowerShell)</b></summary>
+
+**查看可用 Skills：**
+
+```powershell
+.\install.ps1 -List
+```
+
+**方式一：一键安装所有 Skills**
+
+```powershell
+# 用户级安装（所有项目生效）
+.\install.ps1 -User -All
+
+# 项目级安装（仅当前项目生效，需在项目根目录执行）
+.\install.ps1 -Project -All
+```
+
+**方式二：选择性安装**
+
+```powershell
+# 仅安装 collaborating-with-codex
+.\install.ps1 -User -Skill collaborating-with-codex
+
+# 安装多个指定 Skill
+.\install.ps1 -User -Skill collaborating-with-codex -Skill collaborating-with-gemini
+```
+
+**方式三：自定义安装路径**
+
+```powershell
+.\install.ps1 -Target C:\your\custom\path -All
+```
+
+</details>
+
 <details>
 <summary>点击查看完整参数说明</summary>
 
-| 参数 | 简写 | 说明 |
-|------|------|------|
-| `--user` | `-u` | 安装到用户级目录 (`~/.claude/skills/`) |
-| `--project` | `-p` | 安装到项目级目录 (`./.claude/skills/`) |
-| `--target <path>` | `-t` | 安装到自定义路径 |
-| `--all` | `-a` | 安装所有可用 Skills |
-| `--skill <name>` | `-s` | 安装指定 Skill（可多次使用） |
-| `--list` | `-l` | 列出所有可用 Skills |
-| `--help` | `-h` | 显示帮助信息 |
+| 参数 (Bash) | 参数 (PowerShell) | 简写 | 说明 |
+|-------------|-------------------|------|------|
+| `--user` | `-User` | `-u` | 安装到用户级目录 (`~/.claude/skills/`) |
+| `--project` | `-Project` | `-p` | 安装到项目级目录 (`./.claude/skills/`) |
+| `--target <path>` | `-Target <path>` | `-t` | 安装到自定义路径 |
+| `--all` | `-All` | `-a` | 安装所有可用 Skills |
+| `--skill <name>` | `-Skill <name>` | `-s` | 安装指定 Skill（可多次使用） |
+| `--list` | `-List` | `-l` | 列出所有可用 Skills |
+| `--help` | `-Help` | `-h` | 显示帮助信息 |
 
 </details>
 
diff --git a/docs/README_EN.md b/docs/README_EN.md
index a2d9e72..9f49239 100644
--- a/docs/README_EN.md
+++ b/docs/README_EN.md
@@ -49,6 +49,9 @@ cd skills
 
 The install script provides flexible options for scope and target location.
 
+<details open>
+<summary><b>Linux / macOS</b></summary>
+
 **List available Skills:**
 
 ```bash
@@ -81,18 +84,57 @@ The install script provides flexible options for scope and target location.
 ./install.sh --target /your/custom/path --all
 ```
 
+</details>
+
+<details open>
+<summary><b>Windows (PowerShell)</b></summary>
+
+**List available Skills:**
+
+```powershell
+.\install.ps1 -List
+```
+
+**Option 1: Install All Skills**
+
+```powershell
+# User-level installation (available for all projects)
+.\install.ps1 -User -All
+
+# Project-level installation (current project only, run from project root)
+.\install.ps1 -Project -All
+```
+
+**Option 2: Selective Installation**
+
+```powershell
+# Install only collaborating-with-codex
+.\install.ps1 -User -Skill collaborating-with-codex
+
+# Install multiple specific Skills
+.\install.ps1 -User -Skill collaborating-with-codex -Skill collaborating-with-gemini
+```
+
+**Option 3: Custom Installation Path**
+
+```powershell
+.\install.ps1 -Target C:\your\custom\path -All
+```
+
+</details>
+
 <details>
 <summary>Click to view full parameter reference</summary>
 
-| Parameter | Short | Description |
-|-----------|-------|-------------|
-| `--user` | `-u` | Install to user-level directory (`~/.claude/skills/`) |
-| `--project` | `-p` | Install to project-level directory (`./.claude/skills/`) |
-| `--target <path>` | `-t` | Install to custom path |
-| `--all` | `-a` | Install all available Skills |
-| `--skill <name>` | `-s` | Install specific Skill (can be used multiple times) |
-| `--list` | `-l` | List all available Skills |
-| `--help` | `-h` | Show help message |
+| Parameter (Bash) | Parameter (PowerShell) | Short | Description |
+|------------------|------------------------|-------|-------------|
+| `--user` | `-User` | `-u` | Install to user-level directory (`~/.claude/skills/`) |
+| `--project` | `-Project` | `-p` | Install to project-level directory (`./.claude/skills/`) |
+| `--target <path>` | `-Target <path>` | `-t` | Install to custom path |
+| `--all` | `-All` | `-a` | Install all available Skills |
+| `--skill <name>` | `-Skill <name>` | `-s` | Install specific Skill (can be used multiple times) |
+| `--list` | `-List` | `-l` | List all available Skills |
+| `--help` | `-Help` | `-h` | Show help message |
 
 </details>
 
diff --git a/install.ps1 b/install.ps1
new file mode 100644
index 0000000..4b3b90b
--- /dev/null
+++ b/install.ps1
@@ -0,0 +1,180 @@
+# GudaCC Skills Installer for Windows
+# https://github.com/GuDaStudio/skills
+
+param(
+    [Alias("u")][switch]$User,
+    [Alias("p")][switch]$Project,
+    [Alias("t")][string]$Target,
+    [Alias("a")][switch]$All,
+    [Alias("s")][string[]]$Skill,
+    [Alias("l")][switch]$List,
+    [Alias("h")][switch]$Help
+)
+
+$ErrorActionPreference = "Stop"
+$ScriptDir = Split-Path -Parent $MyInvocation.MyCommand.Path
+$AvailableSkills = @("collaborating-with-codex", "collaborating-with-gemini")
+
+function Write-ColorOutput {
+    param([string]$Text, [string]$Color = "White")
+    Write-Host $Text -ForegroundColor $Color
+}
+
+function Show-Usage {
+    Write-ColorOutput "GudaCC Skills Installer" "Blue"
+    Write-Host ""
+    Write-Host "Usage: .\install.ps1 [OPTIONS]"
+    Write-Host ""
+    Write-Host "Options:"
+    Write-Host "  -User, -u              Install to user-level (~\.claude\skills\)"
+    Write-Host "  -Project, -p           Install to project-level (.\.claude\skills\)"
+    Write-Host "  -Target, -t <path>     Install to custom target path"
+    Write-Host "  -All, -a               Install all available skills"
+    Write-Host "  -Skill, -s <name>      Install specific skill (can be used multiple times)"
+    Write-Host "  -List, -l              List available skills"
+    Write-Host "  -Help, -h              Show this help message"
+    Write-Host ""
+    Write-Host "Examples:"
+    Write-Host "  .\install.ps1 -User -All"
+    Write-Host "  .\install.ps1 -Project -All"
+    Write-Host "  .\install.ps1 -User -Skill collaborating-with-codex"
+    Write-Host "  .\install.ps1 -User -Skill collaborating-with-codex -Skill collaborating-with-gemini"
+    Write-Host "  .\install.ps1 -Target C:\custom\path -All"
+    Write-Host ""
+    Write-Host "Available skills:"
+    foreach ($s in $AvailableSkills) {
+        Write-Host "  - $s"
+    }
+}
+
+function Show-SkillList {
+    Write-ColorOutput "Available Skills:" "Blue"
+    Write-Host ""
+    foreach ($s in $AvailableSkills) {
+        $sourcePath = Join-Path $ScriptDir $s
+        if (Test-Path $sourcePath -PathType Container) {
+            Write-Host "  " -NoNewline
+            Write-ColorOutput "✓" "Green" -NoNewline
+            Write-Host " $s"
+        } else {
+            Write-Host "  " -NoNewline
+            Write-ColorOutput "✗" "Red" -NoNewline
+            Write-Host " $s (not found in source)"
+        }
+    }
+}
+
+function Write-ColorOutput {
+    param(
+        [string]$Text,
+        [string]$Color = "White",
+        [switch]$NoNewline
+    )
+    if ($NoNewline) {
+        Write-Host $Text -ForegroundColor $Color -NoNewline
+    } else {
+        Write-Host $Text -ForegroundColor $Color
+    }
+}
+
+function Install-Skill {
+    param([string]$SkillName, [string]$TargetDir)
+
+    $sourceDir = Join-Path $ScriptDir $SkillName
+    $destDir = Join-Path $TargetDir $SkillName
+
+    if (-not (Test-Path $sourceDir -PathType Container)) {
+        Write-ColorOutput "Error: Skill '$SkillName' not found in source directory" "Red"
+        return $false
+    }
+
+    Write-Host "Installing " -NoNewline
+    Write-ColorOutput "$SkillName" "Cyan" -NoNewline
+    Write-Host " -> $destDir"
+
+    if (-not (Test-Path $TargetDir)) {
+        New-Item -ItemType Directory -Path $TargetDir -Force | Out-Null
+    }
+
+    if (Test-Path $destDir) {
+        Write-ColorOutput "  Removing existing installation..." "Yellow"
+        Remove-Item -Path $destDir -Recurse -Force
+    }
+
+    Copy-Item -Path $sourceDir -Destination $destDir -Recurse
+
+    $gitFile = Join-Path $destDir ".git"
+    if (Test-Path $gitFile -PathType Leaf) {
+        Remove-Item -Path $gitFile -Force
+    }
+
+    Write-ColorOutput "  ✓ Installed" "Green"
+    return $true
+}
+
+if ($Help) {
+    Show-Usage
+    exit 0
+}
+
+if ($List) {
+    Show-SkillList
+    exit 0
+}
+
+$TargetPath = ""
+if ($User) {
+    $TargetPath = Join-Path $env:USERPROFILE ".claude\skills"
+} elseif ($Project) {
+    $TargetPath = ".\.claude\skills"
+} elseif ($Target) {
+    $TargetPath = $Target
+}
+
+if (-not $TargetPath) {
+    Write-ColorOutput "Error: Please specify installation target (-User, -Project, or -Target)" "Red"
+    Write-Host ""
+    Show-Usage
+    exit 1
+}
+
+if (-not $All -and (-not $Skill -or $Skill.Count -eq 0)) {
+    Write-ColorOutput "Error: Please specify skills to install (-All or -Skill)" "Red"
+    Write-Host ""
+    Show-Usage
+    exit 1
+}
+
+$SkillsToInstall = @()
+if ($All) {
+    $SkillsToInstall = $AvailableSkills
+} else {
+    $SkillsToInstall = $Skill
+}
+
+foreach ($s in $SkillsToInstall) {
+    if ($s -notin $AvailableSkills) {
+        Write-ColorOutput "Error: Unknown skill '$s'" "Red"
+        Write-Host "Available skills: $($AvailableSkills -join ', ')"
+        exit 1
+    }
+}
+
+Write-ColorOutput "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━" "Blue"
+Write-ColorOutput "GudaCC Skills Installer" "Blue"
+Write-ColorOutput "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━" "Blue"
+Write-Host ""
+Write-Host "Target: " -NoNewline
+Write-ColorOutput $TargetPath "Green"
+Write-Host "Skills: " -NoNewline
+Write-ColorOutput ($SkillsToInstall -join ", ") "Green"
+Write-Host ""
+
+foreach ($s in $SkillsToInstall) {
+    Install-Skill -SkillName $s -TargetDir $TargetPath
+}
+
+Write-Host ""
+Write-ColorOutput "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━" "Green"
+Write-ColorOutput "Installation complete!" "Green"
+Write-ColorOutput "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━" "Green"