installing pip
python -m pip install --upgrade pip
                                
                            how to install pip
curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
#Once you do that, enter line 3 inside
python get-pip.py
                                
                            pip installer for mac
curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
                                
                            download pip
python -m pip install --user --upgrade pip
                                
                            pip install python 3
You cannot just pip install python3 because it is not a library.
If you want to install the latest python3:
https://www.python.org/ftp/python/3.8.2/python-3.8.2.exe
                                
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