The people upstairs just can't operate! Also let people download! I worked as a cashier in an internet cafe for a month this winter vacation! Hehe ... it's actually very simple. The specific steps are: collect money … check the authenticity of money … swipe your card … enter! Get on the plane! You rest! It's basically nothing important! A boss will tell you! Specific Internet cafe billing management software is different in every region! The boss will teach you specifically! It's simple!