: If you encounter errors, ensure you have the latest version of the script from the NTLite Community Forum, as changes to Microsoft's UUP API can break older script versions.

Set-AuthenticodeSignature -FilePath "w10-11langpack.ps1" -Certificate $CodeSigningCert -TimestampServer "http://timestamp.digicert.com"

Some techs bypass the Single Language lock by forcing the registry keys: HKLM\SYSTEM\CurrentControlSet\Control\Nls\Language -> InstallLanguage = 0407 (German) Warning: This breaks Windows Update and digital licenses. A proper script should detect the SKU and abort, instructing the admin to upgrade to Pro.