2.3 Software and hardware requirements

LispWorks 6.1 is a universal binary, which supports Macintosh computers containing either PowerPC or Intel CPUs.

An overview of system requirements is provided in the table System requirements on Mac OS X. The sections that follow discuss any relevant details.

System requirements on Mac OS X
Product	Hardware Requirements	Software Requirements
LispWorks (32-bit) for Macintosh	Intel or G3/G4/G5 processor. 240MB of disk space including documentation.	Mac OS X version 10.3.x, 10.4.x, 10.5.x, 10.6.x or 10.7.x GTK+ 2 (version 2.4 or higher) if you want to run the GTK+ GUI. Open Motif 2.3 and Imlib if you want to run the deprecated Motif GUI.
LispWorks (64-bit) for Macintosh	Intel or G5 processor. 285MB of disk space including documentation	Mac OS X version 10.5.x, 10.6.x or 10.7.x. GTK+ 2 (version 2.4 or higher) if you want to run the GTK+ GUI. Open Motif 2.3 and Imlib if you want to run the deprecated Motif GUI.

LispWorks Release Notes and Installation Guide - 23 Dec 2011