Try open Settings and go to System and you will see Activation and check the status there.
Run Windows Update and download and install all updates and restart your PC.
activation win11
Serhii
1
Reputation point
I put in an activation code into win10, activated my os with legal key and then updated to win11 but I got the "Evaluation copy" sign on my screen, how to fix it?
2 answers
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Reza-Ameri 16,866 Reputation points
2022-04-19T14:21:20.253+00:00 -
Kapil Arya 7,946 Reputation points MVP
2022-04-20T11:14:12.297+00:00 Can you share us the build number you're on?
It seems you updated to Windows 11 Insider Build, which usually have 'Evaluation copy' watermark.