Step 2: Activate Your Game
Once logged in, go to this page: http://account.microsoft.com/billing/redeem
You may be prompted to login again. Enter your product code and activate your game to your account.
You should be given on-screen instructions or an option to install your game now. If you do not get those then go to step 3.
Step 3: Download Your Game
To install your game open up the Windows store on your desktop. In the search menu enter the name of your game. Click on the game when it appears in the results and then click the blue button to “Install”.
Once the game has downloaded/installed you will be able to play!