Using APT

1. Install Flatpak

   sudo apt install flatpak

Flatpak has been successfully installed and is ready to use!

2. (Optional) Install GNOME

   sudo apt install gnome-software-plugin-flatpak

3. Add the Flathub repository

   flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo

4. Restart
   To complete setup, restart your system.
5. Verify Flatpak installation

    flatpak --version

GNOME software Flatpak plugin has been successfully installed and is ready to use! You can install apps without needing the command line.