2. From a POS computer, you will setup an ethernet printer from Windows > Devices and Printers. The IP of this printer is from the EXPO computer, which you have installed Expo™.
3. From your POS system, you will add this printer as a kitchen printer as a plain desktop.
Now, whenever POS system prints to this kitchen printer, it will go to EXPO computer, where Expo will retrieve the order information to use.