Running AirPOS in Full Screen Mode (Windows Only) and Arranging Categories
Appearance Settings.
You can access your appearance settings by tapping or clicking on the settings cogwheel at the top of the POS screen and selecting 'Appearance' from the left margin.
The ‘Appearance' settings button will give you the option to run AirPOS in full screen mode (on Windows only), display categories in rows of four or six and sort your categories and products alphabetically.