Yes, DotA is free to play. However, you'll need to have Warcraft III: Frozen Throne installed before you are able to play the game. This is because DotA is a user-made map for Frozen Throne.
Yes.
Yes.
Assuming you're referring to Defense of the Ancients, it's free, but the game that plays it is not.Basically, you have to have Warcraft 3, but DOTA itself is free, you just can play it.
In order to play Dota without Warcraft 3, you would have to buy Dota 2 through the Steam store run by the publisher Valve. You can play a free, albeit different version of Dota by downloading League of Legends. While not the same mechanics as Dota, League of Legends follows the same structure and is influenced quite heavily by Dota.
There are a number of places where someone can access a free DotA map. Some website examples include Get DotA, DotA-Utilities, Softpedia and DotA Source.
Play games, find badges to earn exp and lvl up to an allstar
Defense of the Ancients (DotA) can be played with Mac OS X.
we need the geeks to do it... support them... let them break the android tablet that we could play dota. waiting for that...
ask for a free invite on reddit
Steam
its always free
When they reach 13 and above. So when you play DotA you will get addicted to it easily.