Since Windows and macOS do not natively support extracting .rar files (they typically only handle .zip ), you will need to install a third-party application.
The official utility for RAR files. It offers a free trial that technically continues indefinitely with a nag screen. 21072.rar
Archives from unknown sources can sometimes contain harmful software. Since Windows and macOS do not natively support extracting
Select to unpack the files into the current folder, or "Extract to 21072/" to put them into a new folder. Archives from unknown sources can sometimes contain harmful
Before running any executable files ( .exe , .bat , .msi ) inside the archive, upload the file to VirusTotal to scan it with dozens of different antivirus engines.
Could you clarify or what you expect to be inside? Knowing if it is a game mod, a driver, or a work document would help me provide more specific instructions.
