Microsoft welcomes everyone to the Microsoft Security Essentials Beta program now. Earlier the company sent out invitations to early adopters to test upcoming version of Microsoft Security Essentials.

This Beta version of Microsoft Security Essentials is marked 4.0.1111.0 and includes the following new features and enhancements to better help protect your PC from threats:

• 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.

To install the latest beta of Microsoft Security Essentials, your PC must have a genuine copy Windows XP SP3; Windows Vista SP1 or SP2; Windows 7 SP1.

The beta version is now available at Microsoft’s Connect site.