Panda Antivirus + Firewall 2007, ES, 3-user, 2 Years, 5-pk. Software type: Box, License quantity: 3 user(s), Number of years: 2 year(s). Minimum hard disk space: 160 MB, Minimum RAM: 96 MB, Minimum processor: Intel Pentium 150 MHz. Compatible operating systems: Windows 98/98SE Windows Me Windows 2000 Pro Windows XP Home/Pro Windows Vista