you dont get source code though
"The No-Charge Havok PC download is a binary-only bundle that includes all of the standard features and functionality of both the Havok™ Physics and Havok™ Animation products. The download includes Havok SDK libraries, samples, and technical documentation for software developers; as well as Havok's Content Tools for preparation and export of physical assets and characters directly from recent versions of popular 3D modeling and animation tools."
http://tryhavok.intel.com/
"The No-Charge Havok PC download is a binary-only bundle that includes all of the standard features and functionality of both the Havok™ Physics and Havok™ Animation products. The download includes Havok SDK libraries, samples, and technical documentation for software developers; as well as Havok's Content Tools for preparation and export of physical assets and characters directly from recent versions of popular 3D modeling and animation tools."
http://tryhavok.intel.com/