Okay so here is my problem. I bough a prebuilt PC and it came today, I started it up. everything works fine.. However when i putt in my product key labled on the sticker of my PC it says its not valid.
Right now i am on the PC. It works fine i tryed a game (runescape, only game i could test on this PC in quick time) So it all works, But every time i restart my computer i get a Acctivate your windows. Message. And on my desktop background in the bottom right corner i got a
(Windows7
Build 7601
This copy of windows is not genuine)
What do i have to do? Should i call the company i bought the computer from?
Also i got another computer i bought a few months ago for 200$. It has its product key on the side, What would happen if i enter the key on that one?