hi!, i'm new about using genuine copy of windows (xphome) how many times can i activate it?, coz msoffice (basic edition) is 5x times only and i can't activate it anymore it exceeded to required number of activation. i'm planning to format my pc coz i'm infected of many viruses but i can't decide don't know if i can still activate my xphome... any advice?.... Tnx in advance.