If you have downloaded a legitimate rail-themed .zip file, follow these general steps to access its contents:
Open Rails often uses .zip files for its "starter routes" and community-submitted content. How to Use the Downloaded File DOWNLOAD FILE – RAIL ROUTE.ZIP
Many freeware sites, such as Railworks America and TrainSim.com , distribute custom routes, scenarios, and assets in .zip format. If you have downloaded a legitimate rail-themed
How to Download and Install Content in Train Simulator Classic such as Railworks America and TrainSim.com
Developers like Bitrich.info have previously offered demo versions of their dispatching management game, Rail Route , as .zip files for Windows, Linux, and macOS. Official versions are now primarily available via Steam.