Use Microsoft Security Essentials to guard against viruses, spyware, and other evil software. It provides real-time protection for your home or small business PCs.
Microsoft Security Essentials is free* and we designed it to be simple to install and easy to use. It runs quietly and efficiently in the background so you don't have to worry about interruptions or making updates.
You can sign up for Microsoft Security Essentials Beta HERE
For more details about Microsoft Security Essentials visit http://windows.microsoft.com/en-US/windows/products/security-essentials
What about the new features?
You can sign up for now. Once the beta release is available for download, team will share more details.
Microsoft Security Essentials Beta is now available for Download.
You can read about the new features over here blogs.technet.com/.../microsoft-connect-microsoft-security-essentials-beta-now-available-for-download.aspx