Setup Single Touch Payroll
this should be done prior to your first payroll in July.
in Xero go to Payroll - Single Touch Payroll - Opt In button and follow the prompts
here is the Xero Support Article link, follow the steps under the heading Set up STP for your business
Setup Automatic Superannuation
Xero's Automatic Superannuation allows you to approve the super payment in Xero and have it direct debited from your nominated bank account
to setup this functionality in Xero go to Payroll - Superannuation - Get Started button and follow the prompts
here is the Xero Support article link