The installation is simple.  Just follow the download instruction. As for the set up, you can start using POS 4 BUSINESS with minimum set up.  Just enter the information for the most frequently sold products into product information set up screen. You can set up everything else as you go along, and feel comfortable with the system. Learning POS 4 BUSINESS is also very simple.  Icons, and captions suggest the most of the things you need to know.  Then if you follow your instinct and common sense, you cannot be too far wrong.  Also, ample help is provided throughout the system.