(You can download and install the Ehuman software before making payment. The "Introduction to Demonstrations" exercise is operational and will permit you to see the program "live" to ensure it will function.)

1.  Download and install 2D or 2D/3D module(s).

2.  Following installation, run the first "Introduction to Demonstrations" exercise to ensure successful operation, and record the "Site Reference Number" provided.

3.  Make payment for the module(s) installed using our on-line Payment Page.

4.  With the Site Reference Number obtain the Activation Key using our automated Registration Page.

5.  Enter the Activation Key when you next start Ehuman and you are now fully operational.