Ubuntushop's kali Live and reinstall option.

1) You can start a live Kali os , loaded in ram, to do your tasks without leaving anything on the internal harddrive.

2) You can start the Kali reinstaller to do a clean install of Kali os on your harddrive.

Search in the menu for Kali-live and start the program.

Ofcourse, root or sudo password needed.

Choose to start a Kali Live Session or to the Kali-reinstaller

The program will download the latest Kali Os, after download is complete, the system will reboot in Kali Live or Kali reinstaller.

Have a nice day.