Macintosh OS X

Power Macintosh or Better
Macintosh System 10.2 (Jaguar) or later
128 MB system RAM, 64 MB free disk space
Color Monitor with 24-bit or greater video card (with LUT support)
A flatbed reflective scanner is required for printer profiling
 

Windows 98SE/ME/2000/XP

Pentium PC or Better
128MB system RAM, 50MB free disk space
Color Monitor with 24-bit or greater video card (with LUT support)
(Two supported video cards required for multiple monitor calibration)
A flatbed reflective scanner is required for printer profiling