For those using older hardware or original discs, these were the recommended specs: Windows 7 / Vista / XP Processor: 3.0 GHz Quad Core or equivalent Memory: 4 GB RAM
1024 MB DirectX 9.0c compatible (GeForce GTX 560 Ti or better) Railworks 3 Train Simulator 2012 Free Download
You can purchase the modern version, Train Simulator Classic , which includes updated graphics and routes. For those using older hardware or original discs,
You can still find DVD-ROM copies of the original RailWorks 3 on secondary markets like eBay. Train Simulator Classic