Is this request recover,deprotect or modify?
If you deprotect it then you can't modify the map anymore. You don't need warcraft to edit the map, just get jasscraft and mpq editor, modify the war3map.j file and put it back in with mpq editor.
Anyways here is the deprotected map.
http://www.mediafire.com/?mknwtmctbzm
You can add new triggers and change object data. If you want to make a specific creep drop an item then just make a new trigger something like
Event - (Unit) Dies
Action - Create (Item) at Position of Triggering Unit.
To make the melee heroes ranged just change them in the object editor.
P.S It's hard to see when you type in blue, and I noticed you said "downloading" Warcraft.