Buy Xbox Live 6 Months Gold Card

Use your code on the Xbox Live network to activate your games or increase your Xbox Live account's credit. To access the Xbox Live network, you need the Xbox One, a broadband connexion, a Xbox Live account, and a storage device according to your console: Hard disk drive, memory card, or USB drive.

You need a Microsoft account to download your game. Create one or log into yours if you already have one. Follow the steps on the Microsoft app to buy the game and it will be automatically added to your account. It will appear in "My Library" and you can access it anytime.