If you are receiving a Windows Activation Error code 0xC004E016, 0xC004F210, 0xC004F034 and 0xC004F00F, they all point to the same thing – Invalid Product Key or ...
I was pretty sure that the product key was just fine, and for some reason, Windows could not recognize it. While it resolved for me quickly, here is the list of things to try. Restart Windows PC Check ...