Kali Linux, ver.: 1.0.3 Prerequisites: Minimum 8 GB of HDD space to install Kali Linux For i386 or amd64 architecture, a minimum of 512 MB RAM (1024 MB RAM recommended) An ISO or VMWare image can be downloaded from Kali Linux site Here, I am going to guide you step by step to install Kali Linux (ver. 1.0.2) in a virtual machine. Procedure of installation is very much similar to Backtrack. Click on the above link to download Kali Linux. When you goto this link it will ask you to register, however registration is not mandatory to download Kali Linux. Either, you can register by giving your name or email address to receive information updates or simply you can skip this step and click on " No thanks, just want to download! ". Depending on the type, you can customize your download in ISO or VMWare format. Click on " Download Kali" . Once Kali Linux is downloaded you are ready to install it in a virtual machine. I am using VMWare Player version: 5.0....