If you wish to buy tickets, you must have an account. It is through this account that you will be identified on your tickets and that you will be able to access sales under certain restrictions.
Online: Here is a tutorial explaining how to create an account online.
At the Fanshop: Please bring your identity card and an email address (not compulsory for children under 12).
The Fanshop is open on Thursdays and Fridays from 11am to 6pm (except on match days).