Follow below steps to remove NodeJS from your PC/Windows.
Uninstall nodejs from Control Panel->Programs ->Uninstall a Program
Clear all temporary files from below locations:
• C:\Program Files (x86)\Nodejs
• C:\Program Files\Nodejs
• C:\Users\{User}\AppData\Roaming\npm (or %appdata%\npm)
• C:\Users\{User}\AppData\Roaming\npm-cache (or %appdata%\npm-cache)
• C:\Users\{User}\.npmrc (and possibly check for that without the . prefix too)
• C:\Users\{User}\AppData\Local\Temp\npm-*
Also remove if there is any other reference for node.js is available by running command
where node
If you found any other reference than remove it from that location.
Restart your PC once above operation or task is completed.
For more detail Reference URL: https://stackoverflow.com/questions/20711240/how-to-completely-remove-node-js-from-windows
Nilesh Rathod 