To install Flatpak on Kubuntu, open Discover, go to Settings, install the Flatpak backend and restart Discover.
To integrate Flatpak support into the Plasma System Settings, open the Terminal app and run:
Flathub is the best place to get Flatpak apps. To enable it, open Discover, go to Settings and add the Flathub repository.
I wakken ad yemmed usebded, ales asekker n unagraw-ik·im. Tura yegra-d kan ad tesbeddeḍ isnasen.!