Download Microsoft Security Essentials 4.10 Build 209 Free
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Microsoft Security Essentials has been tested for viruses and malware
This download is 100% clean of viruses. It was tested with 26 different antivirus and anti-malware programs and was clean 100% of the time. View the full Microsoft Security Essentials virus and malware test.
The file that was tested: mseinstall.exe.
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Microsoft's real-time free antivirus and spyware protection suite: Microsoft Security Essentials Windows 7.
Installing the Microsoft Security Essentials download: Microsoft provides their software as a Windows Executable file and therefore installation is as easy as downloading the file mseinstall.exe and running it directly after retrieving it. We highly suggest using antivirus software before running *any* files from the Internet. The company hosting this file has a trust rating of 10/10.