32-bit LispWorks requires about 130MB to install.
64-bit LispWorks requires about 140MB to install.
The installation includes about 70MB 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