C17 Download Page

Here are the actual goods: 

Download C17 Here

Also, you will need:

NVidea PhysX 2.8.1+  which you can usually find here after navigating on their site

(Note: You need to register on nVidea's developers site in order to get the SDK) rumor has it that C17 will likely work with the old 2.7.3 Ageia SDK also, so if you have trouble, we CAN distribute that to you! 

Microsoft DirectX 9 - Grab their latest version from here