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 :

•  The best brains and brawn in the background
• Easy to get, easy to use
• Runs quietly without hurting PC performance
• Real-time protection
• System scanning
• System cleaning
• Windows Firewall integration
• Dynamic signature service
• Rootkit protection
• Protection against real threats, not good software

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