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

According to them, when they execute the WMIC command, instead of showing the desired result, it displays WMIC is not recognized as an internal or external command, operable program or batch file ...

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 ...