Microsoft Security Essentials 4 Now in Public Beta

With a new UI, improved performance and protection

By on November 30th, 2011 10:59 GMT

A new beta release of Microsoft Security Essentials is now available for download as part of a new public program aimed at bringing improvements to the application to get it ready for a general release.

The new application release comes with Security Essentials and Antimalware Client version 4.0.1111.0, and brings along a series of interface improvements, along with better protection and more.

Although in beta, the new Microsoft Security Essentials 4 is touted as a fully functional antimalware application capable of keeping PCs protected from threats.

Moreover, Microsoft commits to delivering constant updates to the application, so that is ensures viruses, spyware, and other malicious software will not affect Windows PCs running the new Beta version of Microsoft Security Essentials.

“In addition to ongoing virus and spyware definition updates, we’ll provide software updates to the Beta for download through Microsoft Update on a periodic basis,” Microsoft explains.

“To have these updates installed automatically, you must be subscribed to Microsoft Update with preferences set to Automatically download and install new updates.”

Made available for public download on November 29th, the new Beta of Microsoft Security Essentials brings along better performance and protection, along with a simpler UI and more.

The release notes for the application show:

- Enhanced protection through automatic malware remediation: The Beta program will clean highly impacting malware infections automatically, with no required user interaction.
- Enhanced performance: The Beta includes many performance improvements to make sure your PC performance isn’t compromised.
- Simplified UI – Simplified UI makes Microsoft Security Essentials Beta easier to use.
- New and improved protection engine: The updated engine offers enhanced detection with cleanup capabilities and better performance.


Microsoft Security Essentials Beta comes with support for Windows XP, Windows Vista and Windows 7, requires 200MB of storage space, an Internet connection and a mobile browser.

Users interested in learning more on the Beta program will have to head over to Microsoft Connect here to register or sign in.

Microsoft Security Essentials 4 Beta can be downloaded from here.

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Microsoft Security Essentials 4 Beta
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