diff --git a/setup.ps1 b/setup.ps1
index 05f50f0..33ab217 100644
--- a/setup.ps1
+++ b/setup.ps1
@@ -17,7 +17,8 @@
 # -----------------------------------------------------------------------------
 Write-Host "[Step 1] Visual Studio 2022 のインストール確認..." -ForegroundColor Yellow
 
-$vsInstalled = Get-Command devenv.exe -ErrorAction SilentlyContinue
+$vsInstalled = Get-ItemProperty "HKLM:\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\*" `
+    -ErrorAction SilentlyContinue | Where-Object { $_.DisplayName -like "*Visual Studio*2022*" }
 if ($vsInstalled) {
     Write-Host "  Visual Studio はインストール済みです．スキップします．" -ForegroundColor Green
 } else {