For the steps, you need to take click the link below.
https://asic.gov.au/for-business/registering-a-business-name/steps-to-register-your-business-name/
Then to actually register and purchase your business name follow through to this link.
https://register.business.gov.au/
Scroll down and select the first box that says register your business, then on the right-hand side up the top login to your account and follow the instructions to register the name.
The first link below explains the steps to create an ACN.
https://www.business.gov.au/registrations/register-a-company
Then you can follow through to the link below to register your company.
https://register.business.gov.au/
Once you click the second link then click the third box down that says register a company.
The first question will tell you to select a new registration to apply for, please make sure you select Australian Company and Company name and Australian Business Number (ABN) as well.
Then it will say select additional registrations, you don’t need to select any additional registrations just go next and follow through the prompts.
