If your system was previously activated via KMS (Key Management Service) and you are trying to use a MAK or Retail key, you must first clear the KMS client settings.
DISM /Online /Cleanup-Image /RestoreHealth sfc /scannow If your system was previously activated via KMS
If none of the above works, you may have a (e.g., after replacing a motherboard or SSD). Contact Microsoft support with: you may have a (e.g.
If the error occurs while "Acquiring License" for an app, re-registering the Store can fix background service links Microsoft Learn PowerShell as an Administrator. Run the following command: If your system was previously activated via KMS