According to the Microsoft’s website this is the anti-annoying, anti-expensive (its free), anti-virus program. This anti-malware software can be used with Windows XP or higher including windows Vista and Windows 7. Microsoft Security Essentials will guard against viruses, spyware, and other evil software. It provides real-time protection for your home PCs and laptops is simple to install, easy to use and it runs quietly and efficiently in the background so you don't have to worry about interruptions or making updates.
