Click on the gear icon in the user toolbar at the top of the screen to access the account details. Specify your username, email address, and password here.
You can select for each Type, Classification, or Reversed Classification per Project any number of Filters to follow. Whenever data that falls within a selected filter is changed, an email notification is sent to the email address associated with the user account. You can choose to either receive a notification when the data is changed, the a Discussion of an Object, Categorie, or Reversed Classification is changed, or both.