On the course webpage, you will find the link "Exam schedule", which lists the exams to take place in the current semester. If you are to participate in a retake session, you are to register via Ladok in the Studentportal. From spring semester 2023, you must sign up for all invigilated exams in ladok. If you do not find the exam you wish to register for, please contact the education administrator responsible for your subject.
The registration period starts three weeks before the exam session and closes one week before.