CA OEM eTrust EZ Avirus r7+HW NON CD 1pk. Platform: Windows, UNIX, Linux, Macintosh . Minimum hard disk space: 10 MB, Minimum RAM: 32 MB, Minimum processor: 150 MHz. Compatible operating systems: Microsoft: Windows 95, 98, Me, NT 4.0, 2000, XP, Server 2003 This is an auto-generated long summary based on the first three features of the first five feature groups.