Upgraded from windows 8.1 to windows 10 but my activation of windows is not activated automatically

Hi,

I have updated my windows 8.1 licensed to windows 10 now (18-12-2024) but after upgradation to window 10 my windows is not activated tried manually entering old windows 8.1 key in windows 10 change product key getting error (0x803fa067) and tried several tips from youtube didnt solved. AFTER UPDATING TO WINDOWS 10 AUTOMATICALLY I DIDNT GET WINDOWS ACTIVATED 

please solve my issue asap.

Thanks.