Discover new ways to team up and express yourself on the street and in the stadium. Powered by Frostbite™, FIFA 21 raises the game with fresh features: Enjoy even bigger victories together in VOLTA FOOTBALL SQUADS and FIFA Ultimate Team™ Co-Op. Feel a new level of gameplay realism that rewards you for your creativity and control. Manage every moment in FIFA 21 Career Mode with new innovations that create additional depth in matches, transfers and training. Experience unrivaled authenticity that gives you the most true-to-life experience of The World’s Game, including the UEFA Champions League and CONMEBOL Libertadores.

Go to https://www.xbox.com Login to your account Hover over your account link (the top right of the screen) a menu will appear, click on the "Redeem Code" button. On the next page, click "Redeem" Enter your code Click "Confirm" Click "Confirm" again to assign the key to your account.