CA Anti-Spyware r8.1 - Multilingual - 10 Users - Product only. Software type: Box, License quantity: 10 user(s). Minimum hard disk space (server): 10240 MB, Minimum hard disk space (client computer): 64 MB, Minimum RAM (server): 1024 MB. Compatible operating systems: - Windows NT 4.0, SP6A + - Windows 2000 - Windows Server 2003 - Windows XP Professional