Thank you for your interest in being a beta-tester for Mechanical Expressions v1.0. Your time is appreciated.
Register to become a beta-tester.
Follow the instructions in the email you receive to download and install the Mechanical Expressions v1.0 Beta.
In addition to the help within the program there are several useful documents in the "Doc" folder (Mechanical Expressions v1.0 Beta/Doc).
Once you've used the software for a while give us feedback.
If you encounter a bug let us know by submitting a bug report.