There have various step to install node.js on windows machine are:-
1. Download Node.js Installer for Windows Go to the site https://nodejs.org/en/download/ and download the necessary binary files. ...
2. Run the installation Double click on the downloaded .msi file to start the installation. Click the Run button on the first screen to begin the installation.
3. Continue with the installation steps In the next screen, click the "Next" button to continue with the installation
4. Accept the terms and conditions In the next screen, Accept the license agreement and click on the Next button.
5. Set up the path