Windows 11 OEM Activation with Windows Master Images

# Retrieve the OEM/BIOS embedded Windows product key
$key = (Get-WmiObject -Query 'SELECT * FROM SoftwareLicensingService').OA3xOriginalProductKey

# Install the retrieved product key
cscript C:WindowsSystem32slmgr.vbs -ipk $key

# Attempt Windows activation
cscript C:WindowsSystem32slmgr.vbs -ato

Set objWMIService = GetObject("winmgmts:.rootcimv2")
Set colItems = objWMIService.ExecQuery("Select * From SoftwareLicensingProduct")

IsWinActivated = True

For Each objItem In colItems
    If objItem.GracePeriodRemaining = 0 Then
        If objItem.LicenseStatus = 1 Then
            ' Product is activated
        Else
            IsWinActivated = False
        End If
    End If
Next

If IsWinActivated = False Then
    WScript.Echo "Activation Failed"
End If

# Retrieve the original product key from BIOS/UEFI
$ProductKey = (Get-WmiObject -Class SoftwareLicensingService).OA3xOriginalProductKey

# Install the product key
cscript "C:WindowsSystem32slmgr.vbs" -ipk $ProductKey

# Attempt activation
cscript "C:WindowsSystem32slmgr.vbs" -ato

# Get licensing status for Windows
$ta = Get-CimInstance -ClassName SoftwareLicensingProduct -Filter "PartialProductKey IS NOT NULL" | Where-Object { $_.Name -like "Windows*" }

# Extract license status and description
$active = $ta.LicenseStatus
$description = $ta.Description

Write-Host "--- $description ---"

# If not activated, display failure message and wait for a key press
if ($active -ne 1) {
    Write-Host "Activation Failed"
    $null = $Host.UI.RawUI.ReadKey("NoEcho,IncludeKeyDown")
}