G DATA MailSecurity, 50 - 99u, 3Y. License quantity: 50 - 99 user(s), Number of years: 3 year(s). Minimum RAM: 256 MB. Compatible operating systems: Windows 7 32/64Bit Windows Server 2008 Windows 2000 SP4 32/64Bit Windows XP SP2 32/64Bit. Language version: DEU, Platform: PC