Help with TomTom XL

TomTom XL was formatted. Now when i turn it on, it doesn't have any maps. Where can i download and install the maps for it?
Plz help. TY

1. you should look around as all you need is posted in the sticky threads
2. we do have a pretty good tutorial section
3. before you continue do some reading and most of your problems will be solved already ;)