Diablo II: Resurrected Missing From Battle.net App

This issue can be caused by a few different things, please check the following:

1. Make sure the correct account is being logging into, you can confirm your orders on the following Transaction Page.
2. Verify your order is marked as completed on the Transaction Page.
3. Reinstall the Battle.net app to clear any cache issues.

Tried everything here?

If the previous troubleshooting steps didn't resolve the problem, you can ask the Blizzard player community for help on the tech support forums (if available) or other community gaming sites. Local computer or network technicians may also be able to help if you've exhausted all other resources..