Linux Shout published a tutorial showing you how to install Plex Client on Ubuntu 22.04 or 20.04 LTS.
How to install Plex Client on Ubuntu 22.04 | 20.04 LTS
Learn the commands to install the Plex Client app on Ubuntu 22.04 LTS Jammy JellyFish or 20.04 Focal fossa using terminal.
How to install Plex Client on Ubuntu 22.04 | 20.04 LTS