Rufus is a utility, so it does not require a "crack," "serial key," or any paid activation. The specific version you mentioned, Rufus 3.20 , was officially released in August 2022. Critical Security Warning
: Access the source code and all releases on the official Rufus GitHub repository.
: Unwanted programs that flood your system with advertisements.
: Allows the creation of "live" Windows environments that run directly from a USB drive.