1. Click on 'Set Customer' at the bottom of the screen
2. Choose the customer you wish to set, or you can add a new one.
To add a new customer:
Click on 'Add' then fill in the customer information. Be sure to click 'Save' in the top right corner. Once you have saved, click on 'Set Customer'
New Customer:
Existing Customer:
3. See customer name and complete the sale as your normally would