Minimum:
Windows XP/ Vista, Pentium 4/ Athlon, Single 2,8 GHz, Dual Core CPU above 1.6 GHz per core
Mac OSX 10.4 or above, G5 1 GHz or Intel Core Duo1,66, 1 GB Ram
Optimal:
Windows XP/ Vista, Pentium 4/ Athlon, Quad Core CPU above 1.8 GHz per core
Mac OSX 10.4 or above, any Intel Mac G5, 2GB Ram
Free hard drive space - depending on the regarding library content.