Download Dota 6.60 Map

Where can you download Dota 6.60 map leaked or beta version? I've been searching for the Dota 6.60 map because I already want to try playing the new hero named Tauren Chieftain. Also, there are some item changes for Dota 6.60 and I already want to study them so I can improve my game. Learn more about the Dota 6.60 map download here.