Microsoft Security Essentials 4.0.1526.0 (Free Download )
· Comprehensive malware protection
· Simple, free download
· Automatic updates
· Easy to use
· For XP - CPU with clock speed of 500 MHz or higher
· For XP - Memory: 256 MB RAM or higher
· For Vista / W7 - CPU with clock speed of 1.0 GHz or higher
· For Vista / W7 - Memory: 1 GB RAM or higher
· VGA (Display): 800 x 600 or higher
· Storage: 140 MB of available hard-disk space
· An Internet connection is required for installation and to download the latest virus and spyware definitions for Microsoft Microsoft Security Essentials
· Internet Browser (IE or Firefox)
