Windows 7 Activation

Hi guys im pretty new to PC building so bear with me. Im about to upgrade my old motherboard to a new one and I want to keep my Windows 7 activated. I've looked online and apparently using Sysprep and selecting shut down will automatically optimize for the new mobo. Will this actually work? I...

I bought a pc yesterday and it worked like a charm,but windows 10 was installed on it and all my programs are windows 7 compatible,so i tried to access bios as the earlier owner of this desktop told me by prrssing F12 but nothing happens so i tried to enter recovery then the pc restarted and the...