Question: How do I redeem a game key using Steam?
Option 0: From the Steam application, click "Steam." This will pull up a menu; from this, select "Settings." Agree to the terms of service and click through until you get a blank spot to enter the key. After typing in the key, click "Next" and your game will be available on Steam.
Option 1: From the Steam application, click "Games." This will pull up a menu; from this, select "Activate a Product on Steam." Agree to the terms of service and click through until you get a blank spot to enter the key. After typing in the key, click "Next" and your game will be available on Steam.
Answer: 1