You can add more courses to the list of courses that you have already subscribed for.
Simply navigate around the available courses on this site, and click on the [APPLY] button in-front of your course of choice.
You will be asked to enter the Bank Payment Details for the course.
Make payment to the tune of the cost of the course that you are interested in and upload the payment details.
The new course will be added to your course list after it has been approved by admin.