Compare the best free antivirus tools for Windows 10 in 2026, including real-time malware protection, phishing defense, ...

Windows Defender, the Redmond, Wash., developer's free-of-charge anti-spyware program for Windows XP and Windows Server 2003, went final in late October. However, the last beta -- dubbed Beta 2 -- ...

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.

Windows Defender has several security settings, including some you need to switch on to get the utmost protection. Here's why.

Both AVG and Windows Defender work to protect your PC from malware and other security threats. They both have major differences in the following aspects. AVG and Windows Defender mainly differ in ...

Microsoft claims Windows Defender is all the protection you need. I've been testing antivirus software for decades, and the evidence—not to mention the threats it can't protect you from—says otherwise ...

A new tool called 'Defendnot' can disable Microsoft Defender on Windows devices by registering a fake antivirus product, even when no real AV is installed. The trick utilizes an undocumented Windows ...