How to use Microsoft Defender, the antivirus security program on Windows 10

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

Microsoft clears up what Windows 10 users can expect from Microsoft Defender moving forward

Of course, right after that passage, Microsoft recommends either continuing with Windows 10 under ESU or upgrading to Windows 11. Regardless of how much support Microsoft Defender receives in the ...
Windows Report

Microsoft Says Defender Keeps Windows 10 Protected Despite End of Support

Microsoft Defender will continue providing antivirus and threat detection on Windows 10 to defend against malware and other ...
Neowin

Microsoft cautions new Windows 11 / 10 ISO installs must have this Defender update0 0

This past week Microsoft released the Patch Tuesday updates for August 2025 on Windows 10 (KB5063709 / KB5063877 / KB5063871 / KB5063889) and for Windows 11 (KB5063878, KB5063875). Aside from that, ...
PC World

Windows Security won’t start? Here’s how to get it back

In recent years, users have repeatedly reported that “Windows Security” no longer starts. As Windows virus protection is also included here, this error should be ...