flatpakcommand at the end of this step.
In order to install Plex Music with GNOME Software, launch GNOME Software, which is called just Software, search for Plex Music and finally click the Install button.
Alternatively, launch a Linux terminal emulator and type the command below and press the Enter key to install the package.
flatpak install nuvola eu.tiliado.NuvolaAppPlex
Alternatively, you can launch Plex Music from a terminal:
flatpak run eu.tiliado.NuvolaAppPlex