First, apply to TU Darmstadt through their application portal. Then, register and submit your application via the online application system of Goethe University.
The selection and admissions process is conducted exclusively by TU Darmstadt, which also handles the notification of any rejections.
If you are admitted and matriculate in the Medical Engineering degree program at TU Darmstadt, Goethe University will be informed, and you will then also be matriculated at Goethe University.