For Steam users, this is typically: \SteamLibrary\steamapps\common\Train Sim World 3 .
These files are common vectors for malware or viruses. Always scan archives using a reputable antivirus before extracting. Train Sim World 3.rar
If the file contains .pak files (common for TSW mods), they are usually placed in: ...\TSW3\Content\Paks\~mods . You may need to create the ~mods folder if it doesn't exist. For Steam users
You can often find a Free Starter Pack or purchase the game officially to ensure a safe experience and access to the Creators Club for liveries and scenarios. Common Uses for .rar Files in TSW3 Train Sim World 3.rar