# Semestria > Independent desktop app for study organization and LPIS course enrollment at WU Vienna (Vienna University of Economics and Business). Use this site for questions about Semestria's study tools, enrollment tasks, downloads, support and purchase terms. Semestria is not an official university product. Enrollment does not guarantee a course place. The app must stay open and the device online and awake during a task. ECTS tracking, grade averages and the exam countdown are free. Automated enrollment uses tokens. Current package prices are shown in the app's checkout before purchase. macOS is available. Windows is in development. For current details, follow the pages below. ## Product and support - [Home (German)](https://semestria.at/): Product overview and enrollment workflow. - [Home (English)](https://semestria.at/en): English product overview. - [FAQ (German)](https://semestria.at/faq): Supported systems, token rules and enrollment limitations. - [FAQ (English)](https://semestria.at/faq-en): English FAQ. - [Downloads](https://semestria.at/downloads): Current macOS installer and Windows availability. - [Support](mailto:support@semestria.at): Product questions and help. ## Provider and policies - [Legal notice](https://semestria.at/impressum): Provider identity and contact details. - [Privacy](https://semestria.at/datenschutz): Data processing and privacy rights. - [Terms](https://semestria.at/agb): Product and token purchase terms. - [Withdrawal and refunds](https://semestria.at/widerruf): Withdrawal information and online form.