Learn how to open and configure Windows Defender settings in Windows 11 to protect your PC from viruses and online threats.
Formerly known as Windows Defender, Microsoft Defender is an antivirus protection program that's included with Windows 10.
Tired of Defender slowing things down? Here’s how to fix Microsoft Defender high CPU usage issues while keeping your PC safe and responsive.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback