Microsoft Security Essentials provides real-time protection for
your home or small business 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 is automatically updated to protect your PC with the
latest technology.
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.
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