Get step-by-step instructions for determining the operating system (OS) version on your devices and why it is so important to keep the OS updated.

These operating systems treat extra features the way budget airlines treat legroom.

Most of us know the phrase “operating system” in the context of our computers and phones. An operating system is an underlying framework that manages the applications and software we use every day.

Want Google out of your life? It's pretty easy to find alternative search, email, and photo storage providers, but it's much harder to come up with a mobile operating system that's free of Google. The ...