You can choose universities, subjects, or providers of interest with the Follow button which can be found on the top of every university, subject, and course provider page.
Selecting Follow will trigger an email from Class Central each month if relevant courses are about to start. If you select 10 or more Follows, you will unlock a personal recommendations page.
To cancel the Follows email, go to https://www.classcentral.com/user/settings/preferences
Your Follows can be accessed from the user menu in the navigation bar i.e found under your image dropdown in the top right corner.