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 ...

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

Here are the three easiest ways to fix Java’s “not recognized as an internal or external command” error: Install or reinstall Java and the JDK on your computer Add Java’s bin directory to the computer ...

While trying to use an Oracle utility, if you get ‘sqlplus’ is not recognized as an internal or external command, operable program or batch file error, here is how you can fix the issue.