Kaspersky Lab Business Space Security, 15-19u, 2 Years. Software type: Box, License quantity: 15 - 19 user(s), Number of years: 2 year(s). Minimum hard disk space: 300 MB, Minimum RAM: 512 MB, Minimum processor: Intel Pentium 800 MHz. Compatible operating systems: Windows 7 Professional / Enterprise / Ultimate Windows 7 Professional / Enterprise / Ultimate x64