This section describes in detail the steps required to integrate the Bullet Physics Library to your own Direct3D project. You can also find these steps described in detail in the Bullet user manual (part of the library download).
The first thing you need to do is to download Bullet from: http://www.bulletphysics.com
At the time of writing, the latest version of the Bullet Physics Library was 2.68.
After you have downloaded the library (bullet-2.68.zip, in my case), unpack it somewhere on your hard drive. I will assume that you unpacked it to "C:\Bullet" and will use this path throughout ...