The ArcaniA_Gothic4_Demo_Setup.zip file you have requested: Official Demos / ArcaniA: Gothic 4 Demo - 1.71gb is not available. Perhaps try browsing all files for the game ArcaniA and upload any files you want to share or are missing. This is the only information we could locate:
The PhysX installer might give an error, but the demo will continue the installation regardless. If you don't have the PhysX Software on your PC, you can download it from the NVIDIA website at Nvidia.com JoWooD Entertainment has released a playable demo of ArcaniA: Gothic 4. The demo comprises the first two hours of the game and shows the beginning tutorial level on Feshyr Island featuring selected quests.