diff --git a/__tests__/extensions.test.ts b/__tests__/extensions.test.ts
index 08b9fe44..42290743 100644
--- a/__tests__/extensions.test.ts
+++ b/__tests__/extensions.test.ts
@@ -10,7 +10,7 @@ describe('Extension tests', () => {
     expect(win32).toContain('Add-Extension xdebug');
     expect(win32).toContain('Add-Extension pcov');
     win32 = await extensions.addExtension('xdebug, pcov', '7.4', 'win32');
-    expect(win32).toContain('Add-Extension xdebug beta');
+    expect(win32).toContain('Add-Extension xdebug');
 
     win32 = await extensions.addExtension(
       'does_not_exist',
diff --git a/src/extensions.ts b/src/extensions.ts
index ec6754b8..7d52b39d 100644
--- a/src/extensions.ts
+++ b/src/extensions.ts
@@ -50,13 +50,7 @@ export async function addExtensionWindows(
   let script = '\n';
   await utils.asyncForEach(extensions, async function(extension: string) {
     // add script to enable extension is already installed along with php
-    let minimum_stability = 'stable';
-    switch (version + extension.toLowerCase()) {
-      case '7.4xdebug':
-        minimum_stability = 'beta';
-        break;
-    }
-    script += '\nAdd-Extension ' + extension + ' ' + minimum_stability;
+    script += '\nAdd-Extension ' + extension;
   });
   return script;
 }
diff --git a/src/scripts/win32.ps1 b/src/scripts/win32.ps1
index 97a95f29..d965460d 100644
--- a/src/scripts/win32.ps1
+++ b/src/scripts/win32.ps1
@@ -48,7 +48,8 @@ Set-PhpIniKey -Key 'date.timezone' -Value 'UTC' -Path $php_dir
 Enable-PhpExtension -Extension openssl, curl -Path $php_dir
 try {
   Update-PhpCAInfo -Path $php_dir -Source CurrentUser
-} catch {
+}
+catch {
   Update-PhpCAInfo -Path $php_dir -Source Curl
 }
 if ([Version]$installed.Version -ge '7.4') {
@@ -59,7 +60,19 @@ Add-Log $tick "PHP" $status
 Install-Composer -Scope System -Path $php_dir -PhpPath $php_dir
 Add-Log $tick "Composer" "Installed"
 
-Function Add-Extension($extension, $mininum_stability) {
+Function Add-Extension {
+  Param (
+    [Parameter(Position = 0, Mandatory = $true)]
+    [ValidateNotNull()]
+    [ValidateLength(1, [int]::MaxValue)]
+    [string]
+    $extension,
+    [Parameter(Position = 1, Mandatory = $false)]
+    [ValidateNotNull()]
+    [ValidateSet('stable', 'beta', 'alpha', 'devel', 'snapshot')]
+    [string]
+    $mininum_stability = 'stable'
+  )
   try {
     $extension_info = Get-PhpExtension -Path $php_dir | Where-Object { $_.Name -eq $extension -or $_.Handle -eq $extension }
     if ($null -ne $extension_info) {