Right for now I have my brothers MAC, and I want to download FM 13 until my laptop comes back from repair on Tuesday. I'm buying and activation code from a reliable third-party website. Will I be able to download the game on the MAC then my laptop, or can I only download MAC version, I'm a little confused as to how this works. Because I know on steam you can install the game on to any PC, but does this work if I buy a third-party activation code?