A user asked how to install BackTrack in VirtualBox. Since BackTrack is no longer supported and since Kali Linux is a rewrite of BackTrack I opted for Kali Linux.Kali Linux comes with a set of forensic and security tools wrapped in a Linux distro.Kali is designed to assist security experts in determining weaknesses in computer systems.
HOW TO DOWNLOAD AND INSTALL KALI-LINUX ON PC
KALI-LINUX LINK :- https://www.kali.org/downloads/
VIRTUAL BOX:- https://www.virtualbox.org/wiki/Downloads
for more video about kali-linux :- https://www.youtube.com/channel/UCo-h3C-BOVmRW5HLgoyNBDg