diff --git a/setup.ps1 b/setup.ps1
new file mode 100644
index 0000000..1e89b95
--- /dev/null
+++ b/setup.ps1
@@ -0,0 +1,92 @@
+# XCodeCLI Setup Launcher (Windows)
+# Interactive script to configure Claude Code, Gemini CLI, or Codex
+
+param(
+    [string]$ApiKey,
+    [switch]$Help
+)
+
+if (-not $ApiKey -and (Test-Path Variable:key)) { $ApiKey = $key }
+
+function Write-Info { param([string]$Message); Write-Host "[INFO]" -ForegroundColor Blue -NoNewline; Write-Host " $Message" }
+function Write-Success { param([string]$Message); Write-Host "[SUCCESS]" -ForegroundColor Green -NoNewline; Write-Host " $Message" }
+function Write-Warning { param([string]$Message); Write-Host "[WARNING]" -ForegroundColor Yellow -NoNewline; Write-Host " $Message" }
+function Write-Error { param([string]$Message); Write-Host "[ERROR]" -ForegroundColor Red -NoNewline; Write-Host " $Message" }
+
+function Show-Help {
+    Write-Host @"
+XCodeCLI Setup Launcher (Windows)
+
+Usage: powershell -ExecutionPolicy Bypass -File setup.ps1 [OPTIONS]
+
+Options:
+  -ApiKey <KEY>  Pre-set the API key
+  -Help          Show this help message
+"@
+    exit 0
+}
+
+function Test-Command { param([string]$Name); return [bool](Get-Command $Name -ErrorAction SilentlyContinue) }
+
+function Show-Menu {
+    $claudeStatus = if (Test-Command "claude") { "[已安装]" } else { "[未安装]" }
+    $geminiStatus = if (Test-Command "gemini") { "[已安装]" } else { "[未安装]" }
+    $codexStatus = if (Test-Command "codex") { "[已安装]" } else { "[未安装]" }
+
+    Write-Host ""
+    Write-Host "========================================" -ForegroundColor Cyan
+    Write-Host "       XCodeCLI Setup Launcher" -ForegroundColor Cyan
+    Write-Host "========================================" -ForegroundColor Cyan
+    Write-Host ""
+    Write-Host "Select the tool to configure:" -ForegroundColor Yellow
+    Write-Host ""
+
+    $claudeColor = if (Test-Command "claude") { "Green" } else { "Red" }
+    $geminiColor = if (Test-Command "gemini") { "Green" } else { "Red" }
+    $codexColor = if (Test-Command "codex") { "Green" } else { "Red" }
+
+    Write-Host "  [1] Claude Code " -NoNewline; Write-Host $claudeStatus -ForegroundColor $claudeColor
+    Write-Host "  [2] Gemini CLI  " -NoNewline; Write-Host $geminiStatus -ForegroundColor $geminiColor
+    Write-Host "  [3] Codex       " -NoNewline; Write-Host $codexStatus -ForegroundColor $codexColor
+    Write-Host ""
+    Write-Host "  [0] Exit" -ForegroundColor Gray
+    Write-Host ""
+}
+
+function Get-ScriptPath {
+    param([int]$Choice)
+    $scriptDir = if ($PSScriptRoot) { $PSScriptRoot } else { "." }
+
+    switch ($Choice) {
+        1 { @("$scriptDir\ClaudeCode\setup-claude-code.ps1", "$scriptDir\setup-claude-code.ps1") | Where-Object { Test-Path $_ } | Select-Object -First 1 }
+        2 { "$scriptDir\GeminiCLI\setup-gemini.ps1" }
+        3 { "$scriptDir\codex\setup-codex.ps1" }
+    }
+}
+
+function Main {
+    if ($Help) { Show-Help }
+
+    Show-Menu
+    $choice = Read-Host "Enter your choice (0-3)"
+
+    if ($choice -eq "0") { Write-Info "Goodbye!"; exit 0 }
+
+    $choiceNum = [int]$choice
+    if ($choiceNum -lt 1 -or $choiceNum -gt 3) { Write-Error "Invalid choice."; exit 1 }
+
+    $scriptPath = Get-ScriptPath -Choice $choiceNum
+    if (-not $scriptPath -or -not (Test-Path $scriptPath)) {
+        $toolNames = @{ 1 = "Claude Code"; 2 = "Gemini CLI"; 3 = "Codex" }
+        Write-Error "Setup script for $($toolNames[$choiceNum]) not found."
+        exit 1
+    }
+
+    Write-Host ""
+    Write-Info "Launching: $scriptPath"
+    Write-Host ""
+
+    if ($ApiKey) { & $scriptPath -ApiKey $ApiKey } else { & $scriptPath }
+}
+
+Main