In this guide you will find the links and information mentioned in this video:

Download the following Kali file from the Offensive Security website: https://www.offensive-security.com/kali-linux-arm-images/

Kali Linux RaspberryPi 3 64 bit – https://images.offensive-security.com/arm-images/kali-linux-2019.1-rpi3-nexmon-64.img.xz