returning a game at wal-mart

well you see there is the problem, i kind of said it in my original post, remember my friend's dad paid for it with a credit card so i can't get cash back, maybe just store credit or exchanging, and if i say the game won't run on my computer how would another computer game work

Seriously, just do what King recommended. Tell them that your friend's father purchased it and he didn't know your PC specs. Tell them that the game doesn't run on your comp and you want something else.