Use the Xbox Live Gift Cards to recharge your credit balance as an Xbox Live member, enabling you to shop the contents offered in the Xbox Live Store. Among other things, you can find Xbox Live Arcade Games, bonus content for Xbox 360 and Xbox One games, Avatar extras or Season Passes there.You also need a sufficient credit balance to rent or purchase movies in HD or TV series, changing your Xbox Live Gamertag, and more.
Xbox Live Key Activation
1. Login to your Xbox account
2. Click on your Avatar in the top right and click redeem code
3. Click "Redeem" in the middle of the page
4. Enter your code and click "Redeem"
5. Confirm redemption by clicking "Confirm"
6. Click "Close" after a successful redemption