How to install linux headers for Kali Linux 2020?

Install Linux Headers Kali 2020 | Unable to Locate Package linux-headers-5.4.0-kali2-amd64

Bad Joe: This will also fully updated your Kali Linux!

https://askubuntu.com/questions/1112994/installing-rtl8814au-wifi-adapter-driver-on-ubuntu-16-04