If Java is not recognized as internal or external command, you need to make sure that the installation is not problematic and its path is recognized as system variables.

'ftp' is not recognized as an internal or external command, operable program or batch file theR Mar 11, 2002 Jump to latest Follow Reply ...

Read: Java is not recognized as internal or external command How to install npm in cmd? To download NPM in CMD, you need to download the latest version package of Node.js from the official website.