Panda Internet Security 2010. Software type: Box, License quantity: 3 user(s), Number of years: 1 year(s). Minimum hard disk space: 275 MB, Minimum RAM: 128 MB, Minimum processor: Intel Pentium 300 MHz. Compatible operating systems: - Windows 7 (32/64-bit). - Windows Vista (32/64-bit). - Windows XP 32-bit.