The Windows Defender antivirus program, also known as Windows Security, comes installed with Windows 11/10. It is an antimalware scanning tool that lets you boot and scan from a trusted environment.

When you launch Windows Security on Windows 11, you may see a message You’re using other antivirus providers. This prevents you from activating the Real-time protection of Windows Defender against ...

PCWorld examines whether Windows 11’s built-in Microsoft Defender security suite provides adequate protection for everyday users without third-party antivirus software. Windows 11 includes ...

Microsoft releases new Windows Defender update packages very frequently to protect against various newly discovered malware. Once a while every three months or so, the company also pushes out these ...

Microsoft says Windows 11’s built-in security is strong enough for most users, though power users and enterprises may still ...

Although the team with Microsoft moved swiftly to patch the BlueHammer vulnerability, other exploits still threaten Microsoft Defender and Windows users. Explore Get the web's best business technology ...

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 ...

From the May/June 2026 issue of Car and Driver. For the sake of safety and fun, adding speed to an SUV should be more than just throwing a big engine under the hood. Fortunately, the first Land Rover ...

For a limited time, you can get a Windows 11 Pro license for just $10 – an unbeatable price for a full, genuine retail license (from a trusted source, of course). Don't miss out on this incredible ...

First look: Microsoft plans to build 100% native apps for Windows 11 and launch an initiative centered on a new team focused on native experiences instead of web-based wrappers. The company has also ...

Microsoft released an out-of-band update to fix the March 2026 non-security preview update, which was pulled over the weekend due to installation issues. The optional cumulative update (KB5079391) was ...

Exploit code has been released for an unpatched Windows privilege escalation flaw reported privately to Microsoft, allowing attackers to gain SYSTEM or elevated administrator permissions. Dubbed ...