Go to website overview and add a page.
Select "registration form"
Click on "Click to edit content" of the registration form.
The first time you click to edit content you are forwarded to Fields Template. In this section, the user can choose which details to ask the participant.
Choose the fields you want, save the form and go back to the registration form.
Click again on: "Click to edit content".
This time you are forwarded to the registration form. All questions in the registration form itself are shown by the participants. If you do not want to show certain questions to a participant, do not drag them in the registration form.
Click on save form to actually create a registration form visible for participants.
About each question field:
Pencil: To set a default value
Orange Asterisk: To make a field obligatory
Lock: To make a field read-only. A participant cannot change this field.
Red cross: Delete a field
Note! In case you want to change the name and the format of the answer, go back to the fields template and edit the type of question and answers there.