Here is a YouTube computer tutorial about Deepin Linux 20.2 as Big Sur Replacement, and is part of a growing collection of videos I have found which should be useful to you for setting up a good Debian 10 system. There are thousands of YouTube computer tutorials out there, but this is a good one when you need setting up a good Debian 10 system.
This tutorial, "Deepin Linux 20.2 as Big Sur Replacement" is a free tutorial you can watch, which will help you understand how to get better performance, usability, and an overall better experience using your laptop or desktop computer.