function Get-UEFIProductKey {
    $keyPath = "SoftwareLicensingService"
    $service = Get-WmiObject -Query "SELECT * FROM $keyPath"
    if ($service) {
        $productKey = $service.PartialProductKey
        Write-Output "Partial Product Key: $productKey"
    } else {
        Write-Output "No product key found in UEFI/BIOS."
    }
}

Get-UEFIProductKey