flatpakcommand at the end of this step.
In order to install Audible with GNOME Software, launch GNOME Software, which is called just Software, search for Audible 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.NuvolaAppAudible
Alternatively, you can launch Audible from a terminal:
flatpak run eu.tiliado.NuvolaAppAudible