What's the top security software to keep your PC safe? We've tested, reviewed, and rated more than 40 apps to help you choose the right security suite to protect your devices and data.

A major change is coming to Windows that neither individual users nor IT admins can ignore. Here’s how to prepare.

Over the past few months, we’ve been reporting on a major change to the Secure Boot certificates used in Windows 11, which ...

How to check your Windows PC for expiring security certificates - a big one ends in June ...

Microsoft Secure Boot certificates from 2011 begin expiring in June 2026. Here’s how to check whether your Windows PC has the 2023 update.

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...