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Microsoft Security Essentials is a free anti virus software created by Microsoft that provides protection against viruses, spywares and other malicious software for PCs running genuine Windows XP, Windows Vista and Windows 7. It can be downloaded from Microsoft’s website. Some of its key features are listed below:
- Free full version (no demo)
- Automatic Updates
- Setup file less than 7 MB
- Requires less system resources
- Scheduled Scan
- Available for Windows XP, Vista, 7
