FCX is available for VAX, Alpha, and Itanium computers. The following versions of VMS are supported:

• VAX VMS Version 5.5 or later
• Alpha VMS Version 6.1 or later
• Itanium VMS Version 8.2 or later

FCX is available for all Windows computers. The following versions of Windows are supported:

• Windows 2000 or later
• Windows 2003 or later
• Windows XP or later

FCX is available for a variety of UNIX systems:

• AIX 5.2 or later on IBM p-series
• HP-UX 11i Version 2 on Itanium
• HP-UX 11.11 or later on PA-RISC
• Solaris Version 9.0 or later on Sparc
• Solaris Version 9.0 or later on X86

FCX is available for X86 computers:

• X86 computer. Requires kernel level 2.6 or later.