1.On your PC, launch the application "Windows Store" and log in with your Microsoft account, then in the top right there is an icon of with three small points select: "activate a code".
2.Enter the code provided by instant Gaming in the section "My purchases", then confirm.
3.Once the game is activated, Microsoft tells us that the game is validated. We can close the window.
4.A new window opens to invite us to install the game. Validate to begin the installation.
5.Once the game is installed, the "Play" button will be activated, and the game will be available in the "My library" tab.