Microsoft Security Essentials
Use Microsoft Security Essentials
to help guard against viruses, spyware, and other malicious software.
It provides real-time protection for your home or small business PCs.
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.
Key Features
Comprehensive malware protection
Supports Windows 7, Windows Vista, and Windows XP
Available in 33 languages
Simple, free* download
Protects you quietly in the background
Automatic updates
Supports Windows 7, Windows Vista, and Windows XP
Available in 33 languages
Simple, free* download
Protects you quietly in the background
Automatic updates
Protect your PC
Get for the low, low price of free.