If Windows Defender is not functioning properly or is missing from your Windows 11/10 computer, you can reinstall it within a few minutes and without any technical skills.

If Windows Defender is missing and is gone or has disappeared in Windows 11/10, here are some suggestions that are sure to help you resolve the issue.

This option is for Windows Defender on Windows 11 and 10. If you're on Windows 11 or 10, get ready for enhanced security in the form of a more aggressive Windows Defender.

Microsoft is adding a new security option to Windows Defender that is meant to help protect against malicious drivers on Windows 10 and 11 devices.

Microsoft Office and Defender will support Windows 10 through at least 2028 (even though Windows 10 support ends this year) ...

Microsoft has released a special Defender update for Windows 11, Windows 10, and Windows Servers This update is meant to bring improved security and performance to Windows install images.

Windows Defender is a capable antivirus solution built into Windows itself. Unless you’ve installed a different antivirus program on your Windows 11 or Windows 10 PC, your PC is using it right now.

Microsoft has a new Defender anti-virus update for Windows 11 and 10 images. The new update patches several flaws.

Microsoft's Defender for Windows product is morphing into more of a centralized portal for consumers who want to protect Windows PCs and Macs and iPhone/Android phone devices.