How to upgrade
To upgrade select menu Help/Check for Updates and follow from there.
How to install
To install for first time use you can use the upgrade site:http://www.fold1.com/eulumdattools/
Photometric data validators, editors and general thoughts about lighting design tools.

Have you tried downloading Dialux's free LDT Editor?
ReplyDeletehttp://dialuxworks.wordpress.com/2010/07/03/free-ldt-editor/