Install Node.js on Windows
Download Windows installer from Node.js official website.
Run the installer by double-clicking on it and follow on-screen instructions and your node.js installation will be completed in a few minutes.
To verify the installation of node.js on windows system, Open Windows command prompt and check the installed version of Node.js and NPM.
Update Node.js on Windows
Node.js new versions come very frequently. On Windows systems, the update process is pretty straight forward. Just download the newer version of node.js and install on your system. It will overwrite the old version of node.js.