UP for buy it now is WIN CLEANER ultra smart stick for a LIFETIME. I have number 1 and it works great. This one is number 2 and has its own serial key number ( 8DFV2-2T2-TP-XFY46-HWQKQ-M2JYB) It works with any MAC OSx computer and any pc with windows XP, VISTA, 7, 8,10 windows and goes with quick start guide. I accept PAYPAL only and ship in the USA only to verified addresses.
