Plants vs. Zombies: Garden Warfare digs into the trenches with an explosive new co-op and multiplayer action experience. Blast zombies and plants across a mine-blowing world that delivers the depth of a traditional online shooter blended with the refreshing humor of Plants vs. Zombies. Features Customization: Personalize your favorite and new plants and zombies 4-player online co-op: Take on zombie waves and unique new bosses 24-player multiplayer action: Choose your side, plants or zombies Split-screen co-op SmartGlass and Kinect gameplay in Boss Mode

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.