: Extract the rar.exe file from the downloaded package. You can keep this single file on a USB drive and run it via the Command Prompt on any Windows machine to create or manage archives. Third-Party Portable Options
The official RAR executable for Windows is inherently portable as it does not require a formal installation process to run. Download Portable rar
Be extremely cautious when searching for "WinRAR Portable" on third-party "freeware" sites. Because there is no official portable GUI version, many files labeled as such are modified by unknown parties and may contain . Always prefer the official command-line tool or a trusted open-source alternative like 7-Zip. : Extract the rar
: While they do not host WinRAR due to licensing, they offer 7-Zip Portable , which is a completely free, open-source alternative that can open and extract .rar files. Be extremely cautious when searching for "WinRAR Portable"