A Steam gift card gives you quick and easy access to thousands of games, software, and additional content on the Steam platform. Add the funds to your Steam Wallet and use them whenever you like. The credit never expires, so you can spend it on your favorite titles or the latest releases at any time.

Open Steam and log into your account. Click on your username in the top-right corner and select "Add Funds to your Steam Wallet". Choose "Redeem a Steam Gift Card or Wallet Code". Enter your gift card code and click "Continue". The funds will be immediately added to your Steam Wallet.