System activation - Microsoft Community


place 1 active window 10

* moved insider

if have activated windows 10 on same device in past, ensure running same edition of windows 10 have license for. if license home or home single language, etc. not activate if have installed windows 10 pro. if have installed home , should have pro, can upgrade. activation troubleshooter should tell do, if logged-in windows 10 using microsoft account.

try running activation troubleshooter, running changepk.exe /troubleshoot from administrator command prompt.



Windows / Windows 10 / Install, upgrade, & activate / PC



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