Follow these simple steps to start using Flatpak
To install Flatpak on EndeavorOS, you must first make sure your installation is up to date, run the following in a terminal:
$ sudo pacman -Syu
Then install Flatpak:
$ sudo pacman -S flatpak
$ flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
$ flatpak remote-add --if-not-exists ramatak https://download.ramatak.com/ramatak.flatpakrepo
Note: graphical installation of Flatpak apps may not be possible with EndeavourOS.
To complete setup, return to the download page, and follow the instructions.!