If you entered the Schengen zone as a tourist, you will have to apply by
STEP 1: filling out online forms at the “Enter Hungary” website ... more details
STEP 2: uploading important documents to the same website ... more details
STEP 3: submitting the application and paying an application fee (still both at “Enter Hungary”, online) ... more details
STEP 4: signing your application and providing a photo ... more details
Problems? Email office@bsmath.hu and/or schedule a zoom meeting with Agnes (agnes.szilard@budapestsemesters.com).