(adsbygoogle = window.adsbygoogle || []).push({}); If I wanted to mod my friends gamerscore, would I need their HDD? Or could I recover their account on my HDD, mod it, then let them recover it back. Just wondering because I see a lot of people offering to mod gamerscores. ^

No, you just need to recover their profile, transfer the profile to the PC, and then they can recover it back.