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.

Why is my Terminal not recognizing npm? Terminal is not recognizing npm as an internal or external command because the path is not added in the Environment Variable section.

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 ...