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Windows 10 illegaly activated to Pro version. Need help to revert
I own an Acer laptop. It came with Win 10 Home edition per-activated. I gave my friend to reinstall Windows 10 for me. In his work of excellence, he managed to activate Win 10 to Pro version using some kind of activator. I totally condemn anything illegal and for this very reason I am being frustrated.
To fix the problem on my own here is what I tried to do.
I pulled off OEM key using 'Showkey' application. Grabbed the key and tried to activate it. But unusually, Windows says that "This key did not work..." and error: (0xc004f050).
I really wish to revert my Windows back to its original state. Hence, here I am asking for help.
Thanks in advance!