downloaded and preinstalled python3 from https://www.python.org/downloads/ @ on MS Windows 1. python get-pip.py 2. pip install jupyter 3. pip install --upgrade ipyparallel 4. jupyter serverextension enable --py ipyparallel --user jupyter nbextension install --py ipyparallel --user jupyter nbextension enable --py ipyparallel --user 5. ipcluster nbextension enable 6. jupyter notebook # on Windows path: C:\Users\%USERNAME%\AppData\Local\Programs\Pytho n\Python36\Scripts\jupyter-notebook.exe @ on CentOS Linux 8 I. pip install jupyter II. pip install --upgrade ipyparallel III. jupyter-serverextension enable ipyparallel --py --user jupyter-nbextension install ipyparallel --py --user jupyter nbextension enable ipyparallel --py --user IV. ipcluster nbextension enable VI. jupyter-notebook& @ on Mac OS X (if python 3.8 installed) Path of jupyter-note...