There are several things to consider before coming to australia, including:

Accommodation

Research different options for accommodation, such as student housing, homestays, or renting an apartment.

Cost of living

Consider the cost of living in Australia, including expenses for things like food, transportation, and healthcare.

Climate

Be aware of the weather in the area where you will be living, as it can vary greatly depending on the region.

Cultural differences

Be aware of cultural differences and customs in Australia, as well as any cultural or language barriers you may encounter.

Insurance

Make sure you have adequate health and travel insurance coverage while in Australia.

Employment

If you plan to work while in Australia, research the job market and understand the laws and regulations related to working in the country.

Transport

Research the different transportation options available in the area where you will be living, including the availability of public transport.

Safety

Research the safety of the area where you will be living, and familiarize yourself with emergency procedures and contact information.

Legal requirements

Familiarize yourself with the legal requirements for international students, such as visa conditions, and understand the rights and responsibilities of living in Australia.

Currency and banking

Learn about the currency and banking system in Australia, such as how to open a bank account, how to transfer money, and how to use an ATM.
It's important to consult the official website of the Department of Home Affairs and relevant authorities for the most up-to-date and accurate information, as policies and requirements can change.