The subject can also be studied part-time:
https://www.uni-wuerzburg.de/studium/angebot/teilzeit/

For subject-specific counselling, see: https://www.uni-wuerzburg.de/studium/zsb/info/fsb/

For admission to a Master’s degree course, applicants must have a Bachelor’s degree or equivalent qualification (e.g. "Diploma", state examination) and have successfully completed an aptitude assessment procedure for this degree course. In addition, specific skills in areas relevant to the Master's must be demonstrated. The form of the aptitude assessment procedure and what knowledge and skills are required to what extent (ECTS points) can be found in the specific course descriptions: http://www.uni-wuerzburg.de/fileadmin/32020000/Ordnungen/UEbersicht_Master-Netz.pdf

For information on the degree course and the admission requirements, see the information page of the department (admission website):

Students must apply by the due date! Information regarding deadlines and procedures can be found here: http://go.uni-wuerzburg.de/master