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.

Windows Security is built-in to Windows 11/10 and includes an antivirus program called Microsoft Defender Antivirus.

On Windows 11, the firewall, also known as Microsoft Defender Firewall, is a built-in security feature designed to protect your computer from unauthorized access over the internet or network.

How to Start Windows Defender Service Manually. Windows Defender automatically comes with Windows 8, which saves you the cost and time burden of buying a separate application. This security tool ...

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

You can now detect and block harmful third-party apps using Windows Defender Antivirus, and in this guide, we'll show you how to do it on Windows 10.