However, a download through Amazon is then something else than the game to buy classic in business. But it worked great, no problems with the download.
Only you have the extension "TTribes of the East", which will be delivered here in version 3.0, still patch to version 3.1. This really is urgently necessary for the stability, especially if you want to play in pairs. The patch is about 120 MB in size and really an improvement.