It’s a big day for iPhone owners around the world today. That’s because Apple will release the iPhone’s new iOS 26 operating system to the public. iOS 26 sports the most significant redesign to the ...

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.

Linux is a tried-and-true, open-source operating system released in 1991 for computers, but its use has expanded to underpin systems for cars, phones, web servers and, more recently, networking gear.