The Norton Antivirus 2012 edition does justice to the trust Symantec enjoys with people by providing SONAR 4 behavioural protection, Download Insight 2.0, browser protection, network threat protection, vulnerability protection and a host of other security features. Highlights Version Norton Antivirus 2012 System Requirements - Microsoft Windows XP; Microsoft Windows Vista; Microsoft Windows 7 Operating Systems Hardware Requirements 300MHz to 1GHz CPU, 256MB RAM, 300MB Hard Disk Space, CD/DVD ROM drive No. of Users - 5 Among the host of online and PC security suites available today, Norton from Symantec has earned its name. The 2012 version of Norton Antivirus carries forward its legacy by offering cutting-edge features such as SONAR 4 that tracks new and upcoming threats, Download Insight 2.0 that prevents malicious applications from being installed on your PC, browser protection, network threat protection and vulnerability protection. Providing complete online protection, this antivirus software resolves any threats as you face while chatting, mailing and sharing files. The Norton Antivirus 2012 provides 5 user licenses and intuitively provides a notification of any unforeseen damage that your system might face.