Open Rails is a completely free, open-source train simulator built by a community of volunteers. It is highly compatible with old Microsoft Train Simulator (MSTS) content and features advanced physics, realistic weather, and multiplayer capabilities. 2. BVE Trainsim / openBVE
If you want to drive trains on your PC without spending money, several excellent, legitimate open-source and free-to-play projects exist. 1. Open Rails Run 8 Train Simulator Free Download
: A completely free, open-source project that is compatible with Microsoft Train Simulator content. You can download it at the Open Rails Official Site Train Sim (Mobile/PC) : A simpler, free-to-play version Open Rails is a completely free, open-source train
Often provides mobile versions or older desktop editions at steep discounts, alongside occasional free trial periods for their subscription services. Open Rails is a completely free