Dear Customer (name blocked for privacy)
You can apply via the Australian immigration HERE
Unlike when one wants to enter the US, health and character big criteria in entering (no diseases and no criminal history) OR since you are a New Zealander you might want to enter via NZ - and you can check out that website HERE -
If my answer has been helpful, please ACCEPT my answer so I get credit for my effort to help you . If I can be of further help, let me know. Appropriate FEEDBACK is appreciated as is a bonus. Thanks ~ Michelle