This new version focuses on bug fixes and adds over 60 new tools, of which several were initially released at the BlackHat and Defcon 2012. The latest version of BackTrack is the BackTrack 5 R3. These images support both GNOME and KDE desktop environments and support both 64-bit and 32-bit architectures. The software is distributed as four Live DVD ISO images. The application was officially discontinued in February 2015, but users can still download and use BackTrack Linux, thanks to a few online sites. Thus, you must know how to Download BackTrack 5 R3 ISO.
BackTrack is an open-source, Linux distribution used by security professionals/white hat hackers for penetration testing and digital forensics tasks in a native computing environment dedicated to hacking.