I've saved some money for buying surface and I'm a huge fan of it. As it ain't available in Pakistan I'll be shipping it from america through my cousin. I wanna know will it work properly here or will it have some issues here in pakistan? And one thing more when I upgrade it to windows 10 for free sometime in September will it be free for ever or will it charge after one year of "free trial"? I don't have any master card or anything it would be a problem for me to buy it. Please answer briefly thanks.