When you're logged into the rockstar page, go to my account. It gives you the directions at the bottom. How in-game rewards unlock within your Destiny 2 game: Step 1:Through your registration, this site is connected to your Bungie.net account and Destiny 2 game experience. Step 2:All unlocked engram rewards will automatically be stored in your Bungie.net account. Step 3:After playing Destiny 2, log into your Bungie.net account associated with this site and visit the code redemption portal <a href="https://www.bungie.net/redeemedcodes" target="_blank" rel="nofollow noreferrer" href="https://www.bungie.net/redeemedcodes">https://www.bungie.net/redeemedcodes</a> to claim your engrams.