Is there a tutorial for Dummies (like me)
Ex.: what is navcore, where do I start, what are those patches for tom tom home... there is no start here for beginners. I have a tomtom one verry simple and I would like to use your web site and technique for my tom tom.

thanks

Ok please tell us what the specifics about your device are , do this by following THIS TUTORIAL HERE , then when i know this i can assist you in updating your device

A good start is always to check the structure of a forum.
This way you could find the tutorial section where at least some of questions will be answererd.