Follow these simple steps to start using Flatpak
Flatpak is installed by default on Clear Linux when installing the desktop bundle.
$ sudo swupd bundle-add desktop
$ flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
$ flatpak remote-add --user --if-not-exists ramatak https://download.ramatak.com/ramatak.flatpakrepo
To complete setup, return to the download page, and follow the instructions.!