Buying aimware for a friend

Hey , i just got 1 month membership but in 7 days or something like that i'm getting lifetime , that's not the case but i want to buy aimware for a friend i'll buy him 1 month , it's there a problem if i go throught teamviewer to his pc and i buy aimware with the same paypal as mine?

you can buy it even without teamviewer, just insert his forum nickname.