If PIP is not recognized as an internal or external command when trying to install Python libraries here are some suggestions to help you.

This post explains how to add Python to PATH using two simple methods. Now you can run Python code from anywhere using the command prompt!

Take control of multiple Python installations in Windows with the py launcher, available as part of a standard Python installation.

This command will show the installed version of Node.js if the PATH is set correctly. How to Fix the 'npm' is not recognized as an internal or external command Error ...

I tried to follow the directions here to have the batch file wait before executing the rest of the commands but I receive "'CHOICE' is not recognized as an internal or external command, operable ...