I have the 3.3.3 version and have downloaded version 3.4, but I need a unlocking code to open it.
Based on the information on the official website, the software can be ordered by calling a number. This appears to be the only way to get the lock code for version 4.0.
Official website: http://presentsolutions.com/presentsolutions/
Number to call: 509-281-0061
You can get additional info from the page linked above.