: It reduces the size of large driver installers, making them easier to host and download.
How to install usb network card driver using .rar file? - Linux.org
Since RAR is not natively supported by all versions of Windows or macOS, you will need a dedicated utility to open it.
: RAR files often include checksums (like CRC-32) to ensure that no data was corrupted during the download process.
A (Roshal Archive) file is a proprietary format used for data compression, error recovery, and file spanning.
: These archives can be password-protected to prevent unauthorized access to the contained files. How to Extract and Install