This is done with an application called Lesco’s Warcraft Tools. To change the CD key on your Warcraft 3 Reign of Chaos game, you’ll need to first create a Warcraft 3 registry on your computer. Secondly, your old CD-Key is likely to expire before the new one does. Using an older CD-Key won’t work if you want to buy the new version. First, you’ll want to be sure that you have a valid CD-Key.
There are a few reasons why you might want to do this.
If you’re having trouble getting into Warcraft 3, you may be wondering how to change your CD-Key to another game.