Looking for free microsoft security essentials download, Here is info, be noted that, there are quite a few free antivirus software programs available on the internet.

Microsoft Security Essentials runs quietly and efficiently in the background so that you are free to use your Windows-based PC the way you want—without interruptions or long computer wait times.

Security Essentials – it's a new anti-virus and anti-malware program from Microsoft that is lightweight and absolutely free as long as you are running a genuine copy of Windows XP, Vista or Windows 7 on your computers. Microsoft Security Essentials is fully released now, and you can download it from anywhere, previously it was BETA download from IP addresses registered in US, Israel, China and Brazil.

Microsoft Security Essentials is not just lightweight but easy to use as well.  After downloading the small installer (it's less than 10 MB in size),
microsoft security essentials, microsoft security essentials download, microsoft free antivirus, microsoft antivirus download, microsoft antivirus free

Virus, Spyware & Malware Protection | Microsoft Security Essentials

Beta users: Upgrade to latest version of Microsoft Security Essentials ...; Microsoft 2009

About Microsoft Security Essentials

Microsoft Security Essentials provides real-time protection for your home PC that guards against viruses, spyware, and other malicious software.

Microsoft Security Essentials is a free* download from Microsoft that is simple to install, easy to use, and always kept up to date so you can be assured your PC is protected by the latest technology. It's easy to tell if your PC is secure — when you're green, you're good. It's that simple.