I'd try the activation troubleshooter
https://support.microsoft.com/en-us/help/20527/windows-10-activation-troubleshooter
also from elevated cmd.exe
**slmgr /ipk xxxxx-xxxxx-xxxxx-xxxxx-xxxxx
slmgr /ato **
--please don't forget to Accept as answer if the reply is helpful--
Regards, Dave Patrick ....
Microsoft Certified Professional
Microsoft MVP [Windows Server] Datacenter Management
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