If you have downloaded LispWorks, you may need to mount the disk image containing the installer. This is called
LispWorks-6.1.dmg
or
LispWorks64bit-6.1.dmg
-- simply double-click on the
.dmg
file to mount it.
If you have received LispWorks on a CD-ROM, insert the disk in a drive and double-click on the disk icon to mount it.
To install LispWorks (32-bit) for Macintosh, open the
macos
folder and double-click on the
LispWorks_Installer
application to launch it.
To install LispWorks (64-bit) for Macintosh, open the
macos64
folder and double-click on the
LispWorks64bit_Installer
application to launch it.
Note: the names of the installer and downloadable file will vary slightly for the Personal Edition.
LispWorks Release Notes and Installation Guide - 23 Dec 2011