The free version can be run by the user when required.
The company released a free version on June 4, 2008.
The free version is good and the pro isn't too expensive.
The book is out of print, but a free version can be picked up from here.
There have been a number of "free" versions available on the Internet.
Copies of this free version are still available on the internet.
Use of the free version is subject to license terms.
At the same time, the company will continue to maintain a free version of the software.
A free version of the application must be available for consumer use.
The free version is a download, so costs them very little to try it.