The registration procedure is:
Select the category on the left for new students or continuing students.
Select the class you would like to take. You can pay through Paypal or by sending a check.
When payment is received you will receive a notice with information how to begin your class.
The class is self-paced so you can work at whatever time and speed is good for you.
There will be new material each of the four weeks and the class is available to you for one year.