Formerly known as Windows Defender, Microsoft Defender is an antivirus protection program that's included with Windows 10.

Learn how to open and configure Windows Defender settings in Windows 11 to protect your PC from viruses and online threats.

ZDNET's key takeaways Microsoft Defender will continue to work in Windows 10.Defender will receive regular security updates until October 2028.Microsoft still recommends Windows 11 for new security ...

Microsoft Windows Defender is the default security feature on every Windows 11 PC. It’s one of the OS’s most useful features because it works continuously in the background to detect and prevent ...

Tired of Defender slowing things down? Here’s how to fix Microsoft Defender high CPU usage issues while keeping your PC safe and responsive.