I saw that post under FAQ

 

Is there a difference between Mestro and Roadmate software?

Yes

lostinsalem wrote:

Is there a difference between Mestro and Roadmate software?

Yes, there is a difference. Explanation you found under FAQ doesn't apply for the Maestro line.

Here is a topic (from past) that describes the procedure for the Maestro line.
http://www.poi-factory.com/node/17360

If you have any troubles just ask, somebody will help you.