You can withdraw your available funds anytime.
Using the App: Head on over to the 'Profile' page on the bottom right and then select 'Funds & Balances' - scroll down to 'Banking' and select 'Withdraw Funds'
Using the Web: Make sure you're logged in. Head to 'https://stake.com.au/your-funds' and select ' Withdraw'.
Select your local account you want to transfer to and your withdrawal will be remitted into that account.