How to upgrade from Debian Buster (stable) to Bullseye (testing)

In this video I show how to edit your /etc/apt/sources.list file to upgrade from the stable branch of debian (buster) to the testing branch (bullseye).

Thank you for watching.

Green Pushbutton in thumbnail is from:
https://www.freeiconspng.com/

Reasons why I switch to Debain Bullseye:
https://youtu.be/GPyJFZH_fcs