1. Enter the main menu of the game. Click on your player avatar to the top left as seen below to enter the profile
2. In the profile data menu, click the "Rewards" tab seen below:
3. Then click the "Redeem code" button to the bottom right, as shown below:
4. A pop-up screen will appear: please enter your activation code in the field:
5. The ANNO 2070 Deep Ocean content is now unlocked.
6. The game will ask for a restart to receive and download the Deep Ocean data via the Autopatcher.