As Iran's banking system not connected world wide, we can't do the payments with Iranian credit cards so we register an account in one of neighbor countries banks with passport and get the Visa/Master card with those accounts. Turkey and mostly UAE (is bank, royal bank..).
This is not the main issue, the main issue is windows store doesn't work at all. You can't even update windows components or download free apps.
My Surface music player is not working right now :(