The War3demoPC.exe file you have requested: Media / Videos and Trailers / Official Videos / Official Warcraft III Cinematic - 25.5mb is not available. Perhaps try browsing all files for the game Warcraft III: Reign of Chaos and upload any files you want to share or are missing. This is the only information we could locate:
Game cinematics don't come much better than this. A 'must' download.