Watch Any Vehicle You've Designed Run A "Hot Lap" On Any Closed-Course Track! Use Any Of 40+ Built-In Tracks Or Build Your Own In Graphic Track Editor. Find Optimum Suspension, Gear Ratios, Aerodynamics, Driveline, Tires, And More!. Build Stock Cars, Street Racers, Race Sedans, Nascar Vehicles, Open-Wheel Racers, And More QuickAccess Buttons, Precision Data Display With Reticule, 160-Page Color Users Manual, And More! System Requirements: Any PC system capable of running Windows95/98/ /Me/ NT/Sim/XP or Vista Basic SVGA video capability (800 x 600), however, 800 x 600, 1024 x 768 or higher resolution recommended CD-ROM disk drive Mouse Windows-Compatible Printer required for test reports