In order to use ACT, you must have Python 3.6+ installed.
You can build the Atmospheric data Community Toolkit from source and install it doing:
$ git clone https://github.com/ARM-DOE/ACT $ cd ACT $ python setup.py install
ACT is also available on Anaconda and PyPI. To install from PyPI:
$ pip install act-atmos
To install from Anaconda conda-forge:
$ conda install -c conda-forge act-atmos