It is very stressful moment to travel to a new country.
You are happy now that you have been granted your visa to study in Australia.
You need to make sure what to take with you. It also depends on which States or Territories you are planning to visit. Please make sure with your airlines a weight limit for baggage. There are many stories where students had to pay heavy fee at the airport for having baggage weight more than allowed.
You may also need to worry about paperwork besides baggage and clothes.
You may want to hold parties among your friends and families before you depart for Australia.
The quarantine rules are very strict in Australia. Please make sure to only those bring items that are allowed in Australia.
Please check link below for more detailed planning before you depart for Australia: