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

Towards the end of March, Microsoft confirmed a Windows 11 issue where the Windows security app would incorrectly display "Local Security Authority protection is off", even when the feature was ...

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, ...

Defender will continue to provide security even for unsupported Windows 10 PCs. But Microsoft still wants you to move to Windows 11.

Although Windows 10 is no longer officially supported, Microsoft says users can now sign up for free security updates. Here’s what you need to do step-by-step.

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 ...