What does operating system actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

New computer operating at a snail's pace? Get it up to speed again. (Photo: Getty) When you’re stuck with a sluggish computer that struggles to start up or stream a video, it’s tempting to ...

We speak with the creator of Endless about the operating system and encouraging kids to learn more about coding and technology.

Operating systems are the invisible engines behind every computer, smartphone, and smart device, yet many people take them for granted. This video explores every major operating system in use today, ...

Today’s operating systems pose a significant barrier to a number of promised exciting innovations in computer hardware and applications — from personal assistant robots to autonomous vehicles to edge ...

New computer operating at a snail's pace? Get it up to speed again. (Photo: Getty) When you’re stuck with a sluggish computer that struggles to start up or stream a video, it’s tempting to ...

As of Oct. 14, Windows will be ending support for Windows 10. If you don't have a Windows 11 compatible computer, there are still some options to keep access to security updates.

It’s been 35 years since the launch of the most important operating system you’ve never heard of -- and it was made by Steve Jobs himself.

Patrick Marshall answers questions about how to find out if you have a pirated version of a Windows operating system and how secure are VPNs.

Microsoft will be ending support for Windows 10 in October. If your computer isn't compatible with Windows 11, you still have options.