How Enable Flatpak In Ubuntu
sudo apt install flatpak- Add the Flathub repository with:
flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
sudo apt install flatpakflatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo