Do I need one Aronium system for multiple pc or cashiers?

Hello Team Aronium! 

I am facing a big issue for the last two months I have a supermarket & there is so much rash in for the customer to deals I need one system aeonium to multiple computers there is an issue in the networking system I follow all instructions the one you upload but there two systems not working.

I need one pc as a cashier & the onthe pc for the data control stack reports is admin etc 

how can I manage this please can you make for me one video.

thank you