: Version 6.20 addressed several vulnerabilities related to archive processing.
Because RePacks and Portables are not distributed by (the official developers), you must exercise caution: WinRAR 6.20 RePack / Portable
: A version that runs without being installed on your Windows system. You can keep it on a USB drive and use it on any computer without leaving registry traces. Step 1: Downloading and Safety : Version 6
: Once finished, WinRAR is usually ready to use immediately without requiring a rarreg.key file. For the Portable Version: WinRAR 6.20 RePack / Portable
: If you use an official update installer over a RePack, you will likely lose the "pre-activated" status and revert to the 40-day trial.