A: Windows Defender Antivirus (known simply as Windows Defender in the past) is a fully capable means of antivirus protection for Windows PCs. Is it a replacement for other free versions of threat ...

Toggle the Real-time protection switch off. You may receive a User Account Control (UAC) prompt asking if you want to allow the change to occur. Select Yes. When you're ready to turn system protection ...

Why it matters: A lot of people opt for Microsoft Defender as their default antivirus software, given that it comes as part of the Windows OS. But according to a new assessment of several different ...