Select Start > Settings > Update & Security > Activation , and then select Troubleshoot to run the Activation troubleshooter. For more info about the troubleshooter, see Using the Activation troubleshooter.
How do you fix Windows 10 is not activated?
If you’re unable to activate Windows 10, the Activation troubleshooter could help. To use the troubleshooter, select Start > Settings > Update & Security > Activation , and then select Troubleshoot .
Why is my Windows activation key not working?
If your activation key isn’t working for Windows 10, the issue might be related to your Internet connections. Sometimes there might be a glitch with your network or its settings, and that can prevent you from activating Windows. … If that’s so, simply restart your PC and try to activate Windows 10 again.