Originally Posted by
staticn0de
Ok,
Place Kali on a usb and boot from it as you normally would.
When grub loads (and you would normally select install) select the option that has "non - persistent" in the name.
That will take you to the Kali desktop. Keep in mind the user name is root and password is toor while in this session.
From the desktop menu, find the Kali install option and follow the prompts like you would from any other install.