Symantec Security products Norton Antivirus 2012, Norton Internet Security 2012, and Norton 360 2012 Full versions available to the public. Norton completely transformed from a product that used lot of RAM memory to a  lightweight Antivirus that was very fast in catching viruses with a quick start up time. Norton Antivirus 2012 now available with a 90 day promotional offer to test it for free. The installation of Norton...