What are you most interested in? (UK, USA, Germany, etc.) Do you prefer Steam, Diesel, or Electric trains?
How to Download and Install Content in Train Simulator Classic Train Simulator Classic Addons Free
Recommended for quality American diesel freeware. What are you most interested in
Use a tool like 7-Zip to unzip the downloaded folder. etc.) Do you prefer Steam
What to expect
Most free addons are "scenario ready." However, to build your own Quick Drive consist, you need a called TSRE5 (Train Simulator Route Editor 5 – freeware). This tool allows you to drag-and-drop your free locomotives and free wagons into a train, save it, and spawn it on any route you own.