If you are looking for a functional, modern version of this toolkit, you should download Kali Linux instead. Downloading BackTrack 5 (Historical/Educational Use)

It featured a collection of hundreds of tools for:

While BackTrack 5 was a landmark distribution for penetration testing, it is important to note that and has been replaced by Kali Linux since 2013. Using BackTrack 5 today is generally discouraged because it contains outdated software with known security vulnerabilities.