Often available as part of The Incredible Adventures of Van Helsing Anthology which includes the Final Cut. GOG.com: A great place to find the DRM-free version .
If you are looking for the game itself, please note that "Free Full Version" downloads from unofficial sites often carry security risks. It is safer to use official platforms where the game frequently goes on deep sale or is bundled: Often available as part of The Incredible Adventures
The Incredible Adventures of Van Helsing III - destroy all fanboys! 2GB of RAM
To run the game smoothly, you'll need at least a Dual Core 2.0 GHz CPU , 2GB of RAM , and 20GB of disk space . Are you planning on playing this as a solo hunter or Often available as part of The Incredible Adventures