How do I add Australia as an option

Navigate to head and shoulders (right hand side top corner)
​

Select settings
​
​

Select Account Trading Permissions from Account Settings
​

Click the options tile
​

Select 'Australia' and any other locations you would like to include. then click continue.
​

On the following screen, select level 3 and continue
​

​
​

Click ok on the confirmation screen
​

​