@Wintermute I've found it. Copying from the message/notification that you probably see and need to open:

"

Thank you for purchasing Databricks Academy Labs on 7/23/26, 2:00 AM. To access Databricks Academy Labs, please navigate to "Catalogs in My Subscription", found in the User Menu (top left corner of Databricks Academy), and enroll in a listed course to get started. "