Microsoft Security Essentials free download windows firewall

Microsoft Security Essentials free download is available here.
Microsoft Security Essentials provides you high quality protection against spyware, viruses, Trojans, worms and other infected and malicious softwares.

Microsoft Security Essentials is very easy to install and use interface. Microsoft Security Essentials automatically updates when newer version is available. Microsoft Security Essentials never disturbs you or effect your working because it runs silently in the background.
Moreover, Microsoft Security Essentials is very light weight and doesn't use lot of system resource so it doesn't slow down your PC.
Microsoft Security Essentials is almost necessary for every computer windows firewall to protect from virus and other infected programs.