Yes it is.
No, World of Warcraft is a PC and MAC game only. Unofficially (unsupported) you can possibly get it to run in the LINUX operating system with some tweaking here and there using a windows emulator.
Warcraft 3's Default Directory On Windows is: C:\Program Files\Warcraft III In this situation A directory is the path you use to find a particular file
In Windows, Warcraft is generally installed and also has an Uninstall utility. This can be found by either hitting the Windows button and going to the Warcraft 3 program; there should be an uninstaller as well. Alternatively, you can go to Start/Windows, and then the Control Panel. Go to the Software option, and find Warcraft 3 there. There should be a button that allows you to uninstall the game from here as well.
It is not possible for a player to ban another player on warcraft 3. It is possible to kick a person in the middle of a public game, but this uses a third party program not supported, or condoned by Blizzard Entertainment.
You cannot be him but you can battle him in the Undead campaign.
You cannot be him but you can battle his army in a alliance mission
You can install Windows XP on your Mac with pentium-3.
If it will run on Vista, it will run on 7. So, yes is the answer.
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