TomTom 7.910 Emulator is an excellent program, to view and test maps in your computer.
1. Download TomTom_PC.rar to computer
2. Extract and install in computer running windows XP
3. Copy maps file 875_3673 Mexico and USA to directory TomTom_PC
4. Start file FastActivate.exe in TomTom_PC directory, this will unlock maps
5. Start TomTom-800x600.exe file in directory TomTom_PC