Hi TAS, Get help with Windows 10/11 Activation errors: https://support.microsoft.com/help/10738/windows-10-get-help-with-activation-errors
https://support.microsoft.com/help/12440/windows-10-activation To better diagnose the issue,
- Right-click Start button and Choose Windows Powershell(admin) and type in the following command:
slmgr.vbs /dlv
You will get a window. Take a screenshot and send it in the next reply.
- Run the activation troubleshooter and send us the output.
Using the Activation troubleshooter-Windows 10/11 https://support.microsoft.com/help/20527/windows-10-activation-troubleshooter
I am eager to collaborate with you until we find a solution.