Windows 10 has a watermark displayed on its interface.
Windows 10 has a watermark displayed on its interface.
It comes from an OEM laptop or desktop with the built-in product key in the BIOS. For system builders or retail keys, you can find references online about obtaining those keys.
I purchased a ready-made system so I don’t need the original key (later I upgraded to Win 7 Pro)
A hilarious scene I’d prefer to see rather than pay extra for a copy