Best way is to use anaconda: https://www.anaconda.com/products/individual
numba: https://numba.pydata.org/numba-doc/latest/user/installing.html
pypy: https://anaconda.org/conda-forge/pypy3.6

The anaconda python has also intel MKL support out of the box, this may speed up thinks: https://docs.anaconda.com/mkl-optimizations/