You can find all important information and links regarding application and admission to a degree at UZH here.
Admission to Islamic Studies: Qualifications and Prior Knowledge
No special qualifications are necessary for Islamic Studies at the BA level.
Latin: There is no Latin requirement for BA study programs in Islamic Studies at UZH. A knowledge of Latin (or Greek) is nevertheless recommended.
Information concerning the general criteria for admission to a Bachelor’s degree at the University of Zurich can be found here.