As it is said in the first post by GreatOrator:
The last sentence is the important one. When you start the pack there should be a button in the main menu with a link where you can download the map.
Ah thanks man. I'll have to do this. Mine had a download map button. I didn't see a flashing button though. I did watch a few videos on YouTube it looks like an ender eye or something but maybe I'm missing g it?