Microsoft Security Essentials Prerelease 4.10.209 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available.
Microsoft Security Essentials Prerelease lies within Security Tools, more precisely Antivirus. The latest version of the software can be downloaded for PCs running Windows XP/XP Professional/Vista/7/8, both 32 and 64-bit.
The following versions: 4.9, 4.8 and 4.7 are the most frequently downloaded ones by the program users. The most frequent installer filename for the software is: msseces.exe. The actual developer of the free software is Microsoft. We recommend checking the downloaded files with any free antivirus.
From the developer:
Prerelease version of Microsoft Security Essentials lets you run the latest version of this anti-malware program. After installing this application, you will be enrolled in the Microsoft Error Reporting, Customer Experience Improvement Program, and Microsoft Active Protection Service. Your feedback would be used to make improvements in it.
You may want to check out more software, such as Microsoft Security Essentials, Microsoft Security Compliance Manager or Webroot Internet Security Essentials, which might be similar to Microsoft Security Essentials Prerelease.
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