How to Find the Hidden Files on Your Phone or Computer You shouldn't mess with some of them—but there are others you should be aware of.

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.

How to find out which version of Windows, MacOS, or ChromeOS you're running Whether you're on a Windows PC or a MacBook, it's easy to keep tabs on your operating system.