1. Introduction

The Debian manual is basically the same as Ubuntu 18.04 in Ubuntu manual

Here are only the differences

1. Debian desktop uses LXDE + Firefly custom theme

2. Debian does not support Firefly Qt5 environment package yet

3. Debian desktop logo and wallpapers are under /usr/share/lxde

4. Debian needs right click on network icon to edit network connections, not left click

5. Debian autostart configure file is under /home/firefly/.config/lxsession/LXDE

6. Debian needs right click on audio icon to access audio settings, not left click