Panda Internet Security 2007, ES, 3-users, 3 Years, 5-pk. Software type: Box, License quantity: 3 user(s), Number of years: 3 year(s). Minimum hard disk space: 160 MB, Minimum RAM: 64 MB, Minimum processor: Intel Pentium 300 MHz. Compatible operating systems: Windows 98/Me/2000/XP