The easiest way is to install the binary from conda-forge. There are instructions here:
http://holopy.readthedocs.io/en/latest/users/install.html#installation
The documentation at that site also has a tutorial which will
help you get started.
Vinny
-- Vinothan N. Manoharan Wagner Family Professor of Chemical Engineering and Professor of Physics Harvard University http://www.physics.harvard.edu/people/facpages/manoharan.html