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Microsoft Defender Antivirus (formerly Windows Defender) is an antivirus software component of Microsoft Windows.It was first released as a downloadable free anti-spyware program for Windows XP and was shipped with Windows Vista and Windows 7.
On 7 January 2010, Microsoft Security Essentials won the Best Free Software award from PC Advisor. [57] In December the same year, it secured the Bronze award from AV-Comparatives for proactive detection of 55 percent of new or unknown malware, the Silver award for low false-positives (six occurrences) and the Bronze award for overall performance.
Microsoft Windows Malicious Software Removal Tool (MSRT) is a freeware second-opinion malware scanner that Microsoft's Windows Update downloads and runs on Windows computers each month, independent of the installed antivirus software. First released on January 13, 2005, [2] MSRT does not offer real-time protection.
Malware Protection. ... Microsoft Windows 7 SP1 or later. 1GB RAM and 100 megabytes of free hard disk space, 1.80 GHz or faster 2 cores and x86/x64 compatible architectures. One PC per purchase. ...
Real-time protection against viruses, malware, spyware and cyber threats. ... Microsoft Windows 7 (all versions) with Service Pack 1 (SP 1) or later. ... "Best Protection 2017 Award", March 2018 ...
4. Under the Virus protection is enabled section, click the Advanced button. 5. On the Virus Protection screen, click Real-Time Scanning. 6. Select or clear the following check boxes: Scan for unknown viruses using heuristics: Files are matched to signatures of known viruses in order to detect signs of unidentified viruses. This option provides ...
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