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



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.