If you have Microsoft Train Simulator or Auran Trainz or other simulation programs, then you will want this controller to drive and pull levers, switches, buttons in your hands to make you feel like you're driving a real train, not a computer. Programmable keys put commands on the RailDriver, so you can put the keyboard  away. Version 1.3.0.3. Requirements: ME/2000, XP, VISTA & Windows 7.