32-bit LispWorks requires about 160MB to install, and 64-bit LispWorks needs 180MB. This includes 110MB of documentation.
The documentation includes printable PDF format manuals. You may delete any of these that you do not need. They are available at
in any case, and the same manuals are also available there in PostScript format.
LispWorks Release Notes and Installation Guide - 23 Dec 2011