The application is conducted via the Campus Management System C@MPUS. We have prepared a manual for the application which you can download here. It will hopefully answer most of your questions. Please read it thorougly!
The application process as well as requirements are described on the Application Information Page and the FAQ Section.
If you still need support, please contact admission@infotech.uni-stuttgart.de
Be aware that the infotech office cannot solve technical issues related to C@MPUS (login issues, subsequent change of personal data, etc... ). These requests should be addressed to support@campus.uni-stuttgart.de
Deadline for the application is 15-Feb-2021.