You will receive the code of your Steam Game Card via email.
With the Steam Game Card You can charge the balance of your Steam account, and thus acquire games and addons without a credit card. With the US balance it is moreover possible to purchase uncut games on Steam.
The credit will be automatically converted in accordance with the respective national currency if you do not own an US account. In this connection Steam uses your stored address data as a basis.
Redeeming the code of your Steam Game Card is easy. Simply login to your Steam account or create a new account, select “games” in the menu and then “redeem Steam code” and enter the code that you received from us via email.
After having charged your credit you can purchase all the titles that you’ve always wanted on Steam.
Information about activation
How do I add funds to my Steam Wallet?
Add funds via Steam:
Log in to your Steam account.
Click your username in the upper right hand corner and select Account Details.
Click on “+Add funds to your Steam Wallet” to select an amount and proceed to checkout.