Panda Antivirus Pro 2010, FR, 3u, 1 Year. Software type: Box, License quantity: 3 user(s), Number of years: 1 year(s). Minimum hard disk space: 265 MB, Minimum RAM: 512 MB, Minimum processor: Intel Pentium 300 MHz. Compatible operating systems: Windows XP 32-bit Windows Vista 32/64-bit