You can download j4pr from GitHub.com, by running:
$ git clone -b master https://github.com/zgornel/j4pr.jl.git
inside a terminal of your choice.
For the latest and sometimes unstable, version, run:
$ git clone https://github.com/zgornel/j4pr.jl.git
From inside Julia, one can install directly j4pr with:
and stay up to date with all the latest updates by calling: