I did, I have a email from Stardock from August 2021 to my same email address showing my Demigod information.
But when I do that same step, all the Demigod products are missing. I have opened up a support ticket to see if that can be resolved.
Below you will find a list of your product keys associated with this email address. If you are still experiencing trouble activating your products, please contact email@example.com.
Demigod - Downloadx
Demigod - Demon Assassin - Downloadx
Demigod - Oculus - Download