Go to the promo page via the link in the email you were sent, login to your active account if you have not already - your code should be generated.
If you are not seeing a code when clicking the link on a mobile device - try tapping and holding on the link and forcing it to open in Safari or mobile web, or try following the link on a desktop device.
Go to www.hbomax.com/subscribe and redeem with your code
If you are having issues with seeing your code make sure you are logged into the correct paid/active DC Universe account. If you are still having issues on DC Universe please email us at firstname.lastname@example.org and let us know the device youa re having issues with.
If you have any issues redeeming your code on HBO Max please reach go to help.hbomax.com to contact their team.