The deadline to register for the semester, sign up for courses and pay the semester fee is 15/9. You sign up for courses and register for the semester in Student Web. You will find payment information for the semester fee on Student Web. Please note that you can only sit for an exam if you are registered for exam. It is your responsibility to register for the exam before the deadline.
Please note that if you have access to the course in Canvas this does not necessarily mean that you are registered for the exam. Please double check this in Studentweb.