: Click on your profile in the top-right corner, select Account Information , then go to the My Games tab. Locate Anno 2070 and select Show Key .
To play Anno 2070, you typically need a unique, one-time-use Serial Key . This key is bound to your Ubisoft Connect (formerly Uplay)
If the game prompts you for a key even though you own it, try these official troubleshooting steps: Anno 2070 Support | Official Ubisoft Help (GB)