After the purchase you will receive a unique key, activating which you will add the game X-COM UFO Defense to your steam account.
Instruction for activation key:
1. If You have a steam account then register on steam. Be logged into steam.
2. After purchase You will receive a unique key that you want to copy
3. Steam opens find the button "Add game", then clicks on "Activate a product on steam"
4. In the window that appears, insert the key format - HHHHH-HHHHH-HHHHH
5. After activating the game appear in your library. You can download them from the steam servers.
Доволен и цена радует!) Ключ получил!)