Take a look at the Muon Discover application in the menu. Muon Discover will allow you to install (and remove) software from our online repositories, which we carefully organize to be safe and up to date.
There is great software for everything from creating music and movies to producing 3D models and exploring the universe.
If you need something that isn't available through us, find out if there is a Debian package or another repository available. That way, it will be really easy to install and you will receive automatic updates.

Installing additional software