In order to activate your product on the Xbox website, you will need to login into your Xbox account on this page:

  •  After you successfully logged in you will need to go to this site. Such a window should appear. There you will need to enter your product key.

 

If you choose to redeem your key directly through your Xbox console then login to your account:

  • Go to the Store and select “Use a code”

 

  • Then enter your key and follow the steps to activate it on your account.