Visit https://connect.extensis.com/fonts. Log in using your Extensis account credentials (email and password).
If you don’t have an Extensis account (or even if you do) and you want to try Connect Fonts, visit Connect Fonts Trial.
Note: If you don’t have the Connect Fonts desktop app installed on the same system, then you won’t be able to add, remove, or activate fonts using the Connect Fonts Web app.
Download the installer for the Connect Fonts desktop app from Connect Fonts Powered By Suitcase Support.