Required specs for Mission planner

Hi guys,

I am using Mission planner on my HP desktop computer at office and the simulation does not work. Is it because of any required specs that I am missing?

  1. I can’t find the drivers to install for APM 2.5. It shows up in Others list in device manager as ArduinoMega2560.

If anyone can help

Computer Specs:
Core 2 Duo, 1 GB RAM, 32 bit OS, 2.3 GHz, Windows 7 Ultimate