Things needed to play

First you need the game Warcraft 3 Frozen Throne. Which you can get it at
http://www.blizzard.com/store/details.xml?id=110000090
http://www.blizzard.com/store/details.xml?id=110000049 This is the expansion set.

else you can get the cracked version at any of the torrents(free but illegal in some countries).
eg:http://www.mininova.org/tor/203174

Then comes the system Requirements.
These are the recommended system requirements:

• Computer:1024 MHz processor or better

• Memory:512 MB of RAM

• Video:128 MB 3D Video card

• Sound: DirectX® 8.1 compatible sound card

After that you'll need the map

YOu can get the dota map from:

http://www.getdota.com/


There 2 kinds of maps:

For practise you'll need ai maps. This is where you can practise against bot heros. For beginners they are quite challenging.
AI maps can be got at:
http://www.getdota.com/maps/ai/DotA_Allstars_6.59_AIplus_1.52_Revision_01.zip

K When thats done. You'll have to copy this downloaded map into the map folder of the Warcraft game which is generally found at
c:\program files\Warcraft III\maps
Copy the downloaded map here.

Now start your Warcraft game go to custum maps and select the AI map and start Playing. :D