Installing Software
Flatpak
Section titled “Flatpak”If a software is available as a Flatpak, it should be your first option. You can install Flatpaks using the cosmic-store.
Distrobox
Section titled “Distrobox”For software not available as a Flatpak or terminal tools, use Distrobox.
Run distrobox enter for creating and entering your first Distrobox. It defaults to Arch Linux.
System Extensions
Section titled “System Extensions”List and install available extensions with:
updatectl features
updatectl enable --now --reboot <feature>Disable extensions:
updatectl disable --now <feature>
sudo rm /var/lib/extensions/<feature_version.raw>