Not able to install npm-v and not able to use the code node-v the image is shown below

Welcome to Node.js v16.15.1.
Type “.help” for more information.

node -v
Uncaught ReferenceError: node is not defined
npm -v
Uncaught ReferenceError: npm is not defined

Hi @gauravmishra0907ly ,
Node js might not be added to path on your operating system. Which operating system are you using.?The steps to add it to path are os specific. Let me know your operating system so I can help.