Under the law (National Code) education providers must provide access to affordable mental health support services and, students must be told about this at orientation.
Here are a few links:
https://sydney.edu.au/students/counselling-and-mental-health-support.html
https://www.westernsydney.edu.au/future/student-life/student-welfare-service.htmlhttps://student.unsw.edu.au/wellbeing
https://www.usc.edu.au/learn/student-support/health-and-wellbeing/healthy-mind/counselling-services
https://www.uow.edu.au/student/services/cs/index.html
https://www.aim.edu.au/student-life/student-supporthttps://students.mq.edu.au/support/wellbeing/counselling-services
https://www.griffith.edu.au/student-services/welfare-and-financial-assistance
https://www.canberra.edu.au/current-students/canberra-students/student-support/student-welfare
https://www.rmit.edu.au/students/support-and-facilities/student-support/counselling
https://www.boxhill.edu.au/for-students/student-support/counselling/
Just go to your uni website and search “counselling” or “health and welfare” or “support services” or ask your student advisor to make an appointment for you.