http://www.playdota.com/forums/dota-tools-ai-maps  (Official AI Map) [Need to register in www.playdota.com]

Size:  7.2 MB

Download DotA Allstars 6.67c

Download DotA Allstars 6.67b

Download DotA Allstars 6.67

Download 6.66b AI 0.2141 map from the following mirrors

Mediafire , Megaupload ,Rapidshare

make sure you already use Warcraft 1.24b Patch or above to play this map.

Changelog:
-Rewrote Overpower and Summon Familiars to prevent AI crashes
-Undid the fix added for Pounce in 6.66b that was causing the game to crash
-Added a workaround for when AI attempt to attack a dropped Divine Rapier (item will be removed)
-Fixed AI from destroying the Aegis after having them attack Roshan

Thanks to developer Buffmeplz

This map requires 1.24b patch.

Offical Changelog here

contact me at ablazeseraph@gmail.com

Warcraft 3 TFT 1.24c Standalone Patch
Download Link (Blizzard)

Download (for those who still failed to upgrade into Warcraft Patch 1.24c with above links)  Warcraft Version Switcher 1.24c

If you already have Warcraft Version Switcher, you only need to download this TFT 1.24c zip package and place it on wvs folder.

Download (Megaupload)

Here is the changelog (for 6.64 offical map)

Download v6.64 OMG v1.04d (Mediafire Link)

Download 6.64 AI 0.213

Changelogs:

Dota 6.64 AI (v0.213)
==============
-First update to 6.64
-Changed the default AI behaviour of creeps and towers to be the same as in the official map
-Fixed the fade on Circles of Protection belonging to other players
-Fixed some numerical errors on Bristleback’s abilities
-Added some additional AI ability functionality (Black Hole, Fissure, Epicenter)

Source : Dota-blog