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

An internal command is available in Windows and usually works from Windows Terminal or Command Prompt. External commands, on the other hand, are not dependent on system variables or the OS.

2. Add Node.js to System PATH If Node.js is installed on your computer but the command prompt is still showing the error, this can be caused due to Node.js not being recognized by the system.