Nvidia PhysX with APEX for 3ds Max 2011 64bit
The NVIDIA PhysX plug-ins for Autodesk 3ds Max, Autodesk Maya, and Autodesk Softimage allow users of these DCC applications to easily create and manipulate physics simulations.
Enjoy it
http://www.filesonic.com/file/868011231/PhysX_with_APEX_for_3ds_Max_2011_64bit.rar
http://www.fileserve.com/file/ud86jSs/PhysX_with_APEX_for_3ds_Max_2011_64bit.rar