Classes will start officially on April 06, 2020.
The study program's introductory events for the summer semester are published on the following website:
Introduction to study programs [de]
The information on these web pages is continually updated. Be sure to check back from time to time for any changes.
Introductions to study programs and helpful hints for starting your studies
You should definitely visit the introductory events for your study program. This is where you find out exactly what is important in your subject and you can get to know your fellow students at the same time.