Here's a video tutorial

[Only registered and activated users can see links. ]
or
[Only registered and activated users can see links. ]

Above link is for all 4 parts in one file.

1.Introduction
How to find Information on the TomTom
(Version Numbers)

2.Backup
How to backup your TomTom using WinRAR
(Settings to choose / Checking)

3.Keygen
How to Keygen a map
(Make a map work on your TomTom)

4.Navcore
How to install and patch a Navcore
(Install a new operating system on your TomTom)


All credits to EXHDS and BiggerDave.