Windows Security: Microsoft Defender Antivirus & More | Microsoft
https://www.microsoft.com/en-us/windows/comprehensive-security
Formerly known as Windows Defender, Microsoft Defender Antivirus still delivers the comprehensive, ongoing, and real-time protection you expect against software threats like viruses, malware...
Microsoft Defender - Wikipedia
https://en.wikipedia.org/wiki/Microsoft_Defender
Microsoft Defender Antivirus (known as Windows Defender Antivirus before Windows 10 May 2020 Update or Windows Defender before Windows 10 Creators Update) is an anti-malware component of Microsoft Windows.
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