Mac OS X Client Software
OS X 10.4, 10.5 / 1GB Memory / G4, G5, or Intel CPU / 250MB Drive Space / 800×600 display

Windows Client Software
Vista, XP, Server 2008, 2003, 2000 / 1GB Memory / 1GHZ+ CPU / 250MB Drive Space / 800×600 display

Linux Client Software
2.6 Series Kernel / 1GB Memory / 1GHZ+ CPU / 250MB Drive Space / 800×600 display

Solaris Client Software
OpenSolaris, Solaris 10 / 1GB Memory / Intel CPU / 250MB Drive Space / 800×600 display