# Check for existing product key
$key = (Get-WmiObject -query 'select * from SoftwareLicensingService').OA3xOriginalProductKey

if ($key) {
    Write-Host "Product Key Found: $key"
} else {
    Write-Host "No embedded product key found."
    $key = Read-Host "Please enter a valid Windows product key to continue"
}

# Confirm upgrade
$confirm = Read-Host "Do you want to upgrade Windows using this key? (Y/N)"
if ($confirm -eq "Y") {
    try {
        # Initiate upgrade
        Write-Host "Attempting to upgrade Windows..."
        slmgr.vbs /ipk $key
        slmgr.vbs /ato
        Write-Host "Upgrade initiated. Please restart your PC if prompted."
    } catch {
        Write-Host "Upgrade failed. Please check the key and try again."
    }
} else {
    Write-Host "Upgrade canceled by user."
}