McAfee VirusScan Plus 2008 3-user Upgrade ES . Software type: Box, License quantity: 3 user(s). Minimum RAM: 256 MB, Minimum processor: Intel Pentium 500 MHz, Minimum system requirements: Microsoft Internet Explorer 6.0 +. Compatible operating systems: Windows 2000/ XP/ Vista This is an auto-generated long summary based on the first three features of the first five feature groups.