Students from Ukraine are strongly recommended to register with the immigration authorities and the AnKER Center - at the latest when they receive their admission to study. You can find more information about registration here: https://www.augsburg.de/ukraine/informationen-auf-englisch.
As a refugee, you are entitled to social benefits in Germany. This also includes training costs within the framework of the so-called Bundesausbildungsförderungsgesetz (BAföG). You also have the opportunity to apply for various scholarships that are specifically aimed at refugees.