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.

It’s common sense that if you have a Windows PC, you need a third-party security suite to protect it. Right? Well, maybe not. That might’ve been the common sense mantra for decades, but things are ...

We explore how Windows Security and Microsoft Defender protect your Windows 11 computer and why you might want to consider an alternative. Dianna Gunn built her first WordPress website in 2008. Since ...

To fix high memory usage by Antimalware Service Executable on Windows 11, try turning off real-time protection, uninstalling pirated apps, scanning for malware, rescheduling Windows Defender scans, or ...

A Dec. 12 posting to Microsoft’s security update guide has confirmed that a Windows Defender vulnerability, rated as critical according to Microsoft itself, could have enabled an attacker who ...

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, ...

Aside from new Windows setup and recovery updates, Microsoft has also published a new Defender update for Windows 11/10/Server installation images this week. This update package is necessary as a ...

To permanently remove Windows Security, use Local Group Policy Editor, Windows Registry tweaks, or the Windows Defender Remover tool. Be cautious— removal can leave your PC vulnerable. Always back up ...

Microsoft's own antivirus service comes pre-installed on Windows, but our expert antivirus tests prove there are better alternatives. Tom MorganSenior Content Producer/Writer With over a decade of ...