>>10
Installing stuff is actually a lot nicer compared to how it's done in Windows, I find. Under Windows, I have to go find an installer for the program I want, download it (often going through fairly stupid download systems on websites in the process), run the installer, click next a few times, and repeat the process whenever a piece of software I use gets updated. This gets very tedious, particularly when setting up a fresh install.
Whereas with Debian-based Linux distros, I open my favourite package manager (I use aptitude, others prefer graphical ones like synaptic), select the piece of software I want installed, tell it to install and the package manager does everything else. And to upgrade? Update the package list (another single command or click), select the update all option, and go. If there's a new version of anything I have installed, the new version gets installed. The entire operating system can be upgraded in this manner, too.
This is a completely different approach to installing software than what Windows has, but this does not necessarily mean it's more difficult than the Windows way. It's just initially unfamiliar. I'm of the opinion that once you're familiar with it, it's a much better system. Of course, there are those who for whatever reason are of the opinion that the Windows way is on the whole easier. Well, that's up to them. Not my computer, not my problem.
>>17
Additionally, third-party apt repositories can be found for most popular things that aren't included in Debian/Ubuntu.