You can install the code by cloning the repository, changing to the cloned directory and run
pip install .
Note that you will also need two non-Python dependencies:
blender
version 2.79 or below (https://www.blender.org/)ffmpeg
(https://www.ffmpeg.org/)
In order to test successfull installation, you can try running the example setup:
subsurface_movie_renderer example_config/user_configuration.yml
In order to see all command line options, you can run:
subsurface_movie_renderer --help