Most fans no longer use the original 2001 game engine. Instead, they use , a free, open-source simulator compatible with all MSTS content.
How To.... Properly Install MSTS and OpenRails - TrainSim.Com Download Microsoft Train Simulator pc game 2001
The base 2001 version is unstable on modern hardware. Use these community-standard updates: Most fans no longer use the original 2001 game engine
