Because an IMG.rar file is "double-nested" (an image inside a zip), you must follow two steps:
To get the .img file out of the .rar container, you need extraction software: WinRAR : The native tool for RAR files. IMG.rar
: Right-click the .img file in Windows 10/11 and select Mount to treat it like a virtual drive. Because an IMG
Once extracted, you cannot simply "open" the .img file like a document. You must either: IMG.rar
: A free, open-source alternative that supports RAR extraction. The Unarchiver : A popular choice for macOS users.