Steam Gift Cards and Wallet Codes - are an easy way to put money into your own Steam Wallet or give the perfect gift of games to your friend or family member.
Steam Gift Cards work just like a gift certificate, while Steam Wallet Codes work just like a game activation code both of which can be redeemed on Steam for the purchase of games, software, wallet credit, and any other item you can purchase on Steam.
Add the CD Key to your Steam account, the game you bought will be added to your library. Now you can download Steam PC video games for free at any time you want whenever you install Steam client.
How to activate cd key?
Launch Steam and log in to your account. Go to Games and then click Activate a Product on Steam. Enter the cd key code you have received. The game cd key has been activated and added to your Steam library. You can play now!