Open up google chrome and download from google drive there. I just did and it worked. Getting the game to play though I can't. Its installed but perhaps I haven't cracked it or steam. Just does nothing.
This is Dungeon Siege III Collection which means Dungeon Siege, Dungeon Siege II, Dungeon Siege III & Dungeon Siege III - Treasures of the Sun. After installation, all I see are the Dungeon Siege III items and not the frist 2. What's up?
You answered your own question. This is "Dungeon Siege III Collection". Not "Dungeon Siege Collection". So it's a collection of Dungeon Siege III games. And there are only two pieces in the Dungeon Siege III Collection. The game (Dungeon Siege III) and the DLC (Treasures of the Sun).