A tutorial request on pip install for Scripteditor

Dear community,

can someone gives me some hints on how to use pip to install packages for the cpython in Rhino8 on a Mac computer?

As the RhinoPython is not registered in the system PATH. How to switch the python version and run the pip in terminal?

Or other options?

Many appreciate.

It is best to use the # r: packagename approach, it has been mentioned several times on this forum, for instance: