No it does not.
No
No. But you do need 3 for frozen throne (addon) to work.
You don't enter codes onto Warcraft 3 world editor. Once you buy Frozen Throne, World Editor should come along with it. But you have to enter the CD codes into Frozen Throne but not World Editor.
Here are the 3 codes: Prideisawesome flawlessgreeduponlove Prideandkwoochieis^_^godlike
You have to make sure you are running it with administrator privileges.
Start>Programs>Warcraft 3 if it's not listed there re-download warcraft 3
There is no world of warcraft 3. There is world of warcraft, and warcraft 3. Unless you want to refer to Cataclysm. If so then no, you'd fail.
No, as Cataclysm is meant for World of Warcraft, not Warcraft 3.
Warcraft 3
warcraft 3 is a real-time strategy game, world of warcraft is a mmorpg.
Warcraft 3 and World of Warcraft both have a T rating.