Insert your TFT disc (or RoC if you don't have TFT), Run the game, and Connect to to get automatically updated to the latest version.Run both Downloader_*.exe files and wait until the 1.4GB download completes.Under 'Install / Reinstall the Game', click on the appropriate platform (Windows or MAC).Scroll down to the bottom of the page and click on the newly added Warcraft III: Reign of Chaos button.Return to the Summary page if you are not automatically taken there.Repeat steps 2 and 3 with your TFT key too.Type in your RoC cd key, then click 'Redeem Code'.Under 'Games & Codes', click 'Add a Game Key'.Sign up for a Blizzard Account and then log in.