win10 under python2 python3 and coexistence issues

1. Installation python2 sequentially and python3, and added to the system environment variable

2. Locate the installation directory python3, usually in C: \ Users \ Administrator \ AppData \ Local \ Programs \ Python path, change the name python3.6 in python.exe and pythonw.exe for python3.exe, pythonw3.exe.

3.CMD window to view the python version

4. Installation pip3

  python3 -m pip install --upgrade pip --force-reinstall

5. Check whether the installation is successful pip3

As shown in the figure, pip3 has been successfully installed.