Node not installed: The item 'node.exe' was not recognized as the name of a cmdlet, function, script file, or executable program. Please check the spelling of the name, and if a path is included, make sure it is correct and try again.

Method:
This is the phenomenon of node loss.
Download node.js
https://nodejs.org/en/download/

Put the node.exe this one into the npm directory.

npm directory location