Most of them are, the ones that are not, usually are packaged with flatpack or snap. In the few cases they are not you’re on your own, but that’s just the same with Windows

I don’t know what’s so difficult about going to the app manager, searching for the app and installing it. It’s a thousand times easier than on windows plus everything is neatly updated automatically

That’s not my experience at all ,there’s nothing about windows that “just works”. If feels like two or three different systems badly stapled together.