IKARUS IKA-VU1YFB-4UR. License quantity: 4 user(s), Number of years: 1 year(s). Minimum hard disk space: 200 MB, Minimum RAM: 1024 MB, Minimum processor: Intel Pentium / AMD, 2GHz. Compatible operating systems: Windows 2003 Server (x32/64-bit) Windows 2008 Server (x32/64-bit)