2. We recommend that you have the `steam-devices` and/or `game-devices-udev` package installed as it comes with udev rules for many different controllers. You will have to check your distribution on how to install it.
3. We currently recommend that you add and launch RetroDECK from Steam so you can utilize the Steam Input feature to change various aspects of the external controllers. We will be looking into other alternative solutions later for those that don't want to use Steam.
## From the Desktop GUI
- Go into your flatpak supported software manager in your desktop environment, this is different depending on what desktop you use. Example: for GNOME is often `GNOME Software` and for KDE it is `KDE Discover`.