Maybe you like the default Window 7 desktop background.
It is pretty… For a day or two. After that, I’m ready for a change.
I like to entertain myself by putting puppy photos on my desktop, since I’m not allowed to have a real puppy. (My brother’s dog would object. I still wonder why she has any say in the matter.)
The ability to change the desktop background, window colors, sounds, icons, pointers, screen savers, and more, are all parts of the personalization experience.

Operating systems allow you to create multiple user accounts where files, settings, customizations, and more, are all unique.
It’s important for operating systems to stay up-to-date, and not just because you get access to all the latest and greatest.
Windows and Linux, as two of the most popular operating systems on the market today, are often pitted against one another.
My computer is having an identity crisis; I’m having a nervous breakdown.
Operating systems are essential to electronic devices because they handle all of the operating details, such as controlling hardware and running programs.