Always scan .rar files from unofficial sources with VirusTotal or your local antivirus before running them. 🛡️
If you have downloaded this archive and want to play or install the content, follow these steps: Offroad.Mania.Build.9794695.rar
If this is a "piece" of a larger modding project, you may need to drop these files into the steamapps/common/Offroad Mania directory. Are you trying to install this as a standalone game , or Always scan