Open the till and start selling, with no click first
A person allowed to sell opens straight onto the Sales screen, with an empty cart. The entry box is ready, so a scan works without a click first.
In every editionSales counter
Open the till and let each person sign in. Then choose the customer and the salesperson for the sale. At a food counter, choose the kind of order before the first item goes in.
A native Windows app with a modern interface, made to sell from the keyboard. It keeps selling with no internet.
Windows 10 (version 1809 or later) or Windows 11, 64-bit.