If you have downloaded a legitimate rail-themed .zip file, follow these general steps to access its contents:
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.
Many freeware sites, such as Railworks America and TrainSim.com , distribute custom routes, scenarios, and assets in .zip format.