Microsoft Security Essentials 4.4.301.0

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.

Microsoft Security Essentials (MSE) offers award-winning protection against the Internet intruders including viruses, trojans, worms and spyware. MSE was made for those and small businesses, nonetheless itPer-centu2019s in line with the same technology that Microsoft uses to shield giant businesses (security models like Microsoft Forefront, the Malicious Software Removal Tool, and Windows Defender).