In order to create your account you need to fill in the forms.
All fields in the forms are mandatory!
Security question and answer are necessary in case you forget your username and/or answer.
Choose a question only you are likely to know the answer to, e.g. "my first teacher".
Warning: Please, do not open more than one account. This is against your best interest. If you forget your login information you can always ask for them by using Forgotten password.