CMFreg-Download-Tutorial
Launch 3D Slicer4.3, and at the upper left side select 'View' and then 'Extension Manager' (In MAC it can be done by just pressing Command plus 4)
A window will pop up with all the available Slicer's Extensions.
To easily find CMFreg extension, go to in 'Registration' in 'Categories'.
ShapePopulationViewer is in 'Surface Models' category.
SHAPM-PDM is in 'Shape Analysis' category
Click in install and then restart 3D Slicer for each one of the software above.