# Windows Product keys
Microsoft: überprüfen des OEM-Aktivierungsschlüssels in Windows 10
Microsoft: Key Management Services-Clientaktivierung (KMS) und Product Keys
Deskmodder: Key Seriennummer aus Bios UEFI auslesen Windows 10
Nirsoft: Recover lost Windows product key (CD-Key) and Office 2003/2007 product key
# get Windows OEM key from BIOS, powershell as admin
wmic path softwarelicensingservice get OA3xOriginalProductKey
(Get-CimInstance -Query ‘select * from SoftwareLicensingService’).OA3xOriginalProductKey
(Get-WmiObject -Query ‘select * from SoftwareLicensingService’).OA3xOriginalProductKey