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