If you are having issues with seeing your code make sure you are logged into the correct paid/active DC Universe account and try the following steps
Log in to your paid/active DC Universe account
Go to the home page via the link in the email you were sent - your code should be generated.
Go to www.hbomax.com/subscribe and redeem with your code
If you are still having issues on DC Universe please email us at support@dcuniverse.com
If you have any issues redeeming your code on HBO Max please go to help.hbomax.com to contact their team.