For your very first semester you need to personally visit your faculty’s registrar’s office and sign the matriculation form. Please, do not forget to take the original copy of your high school diploma/BA, BSc degree/MA, MSc degree.
After your matriculation (enrolment) please, make sure you update ALL of your personal data in Neptun, especially your name, exactly as it is written in your passport!
What is the NEPTUN Unified Education System and how can I use it?