First PhysX_xxx Install.
ToolBOX 2,3 Install.
plugin.ini Edit
[notice type=”blue”]
Particle Flow Tools=C:/Program Files/Autodesk/3ds Max 2011/plugins/ParticleFlowTools/
Particle Flow Tools: Box3=C:…/ParticleFlowTools/Box3/
Particle Flow Tools: Box2=C:…/ParticleFlowTools/Box3/
[/notice]