libpysal supports python 3.5 and 3.6 only. Please make sure that you are operating in a python 3 environment.
libpysal is available on the Python Package Index. Therefore, you can either install directly with pip from the command line:
pip install -U libpysal
or download the source distribution (.tar.gz) and decompress it to your selected destination. Open a command shell and navigate to the decompressed folder. Type:
pip install .
Potentially, you might want to use the newest features in the development version of libpysal on github - pysal/libpysal while have not been incorporated in the Pypi released version. You can achieve that by installing pysal/libpysal by running the following from a command shell:
pip install git+https://github.com/pysal/libpysal.git
You can also fork the pysal/libpysal repo and create a local clone of your fork. By making changes to your local clone and submitting a pull request to pysal/libpysal, you can contribute to libpysal development.