Do you still need third-party antivirus on your Windows PC?

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

Windows Security is built-in to Windows 10 and includes an antivirus program called Microsoft Defender Antivirus. If you have another antivirus app installed and turned on, Microsoft Defender ...

Microsoft has a new Defender anti-virus update for Windows 11 and 10 images. The new update patches several flaws. Following the one for Lumma last month, Microsoft has also published a new Defender ...

Microsoft Defender offers great protection from malware -- but there are other online threats you might want to consider, too ...

Best Antivirus Best Antivirus Software for Windows PCs in 2026 Discover the highest ranked antivirus programs for Windows 10 and 11. See whether you need to save or splurge to protect your device, ...

Microsoft elaborates that Defender antivirus is "usually sufficient when Windows 11 runs with default protections enabled, updates are installed regularly, and software downloads are deliberate". You ...

Microsoft officially states that Windows 11’s built-in Defender antivirus provides sufficient protection for most users without needing additional security software. PCWorld reports that running ...