DisplayLink USB Video Adapter Debian Install

How to set up the DisplayLink USB video adapter on Debian Linux.

Driver install:
https://www.synaptics.com/products/displaylink-graphics/downloads/ubuntu

Show current graphical system:
echo $XDG_SESSION_TYPE

Install headers for compilation:
apt-get install linux-headers-5.10.0-9-amd64

More info on Wayland and X11:
https://itsfoss.com/switch-xorg-wayland/