How to Install Node.Js on Windows

Testing Your Installation

1. 
   Open Start

   

   . Click the Windows logo in the bottom-left corner of the screen.
2. 
   Search for Command Prompt. Type in command prompt to do so.
3. 
   Click

   

   Command Prompt. It's at the top of the Start menu. Doing so opens the Command Prompt window.
4. 
   Enter the "version" command. Type in node -v and press ↵ Enter. You should be greeted by a message that says "v Number" where "Number" is the version number of the Node.Js program you downloaded.
5. 
   Install a package if necessary. If you want to try testing Node.Js' ability to install a package, type npm install -g http-server into Command Prompt and press ↵ Enter. You should see a progress bar appear in Command Prompt, and the "http-server" extension should be installed to your Node.Js installation folder.
6. 
   Troubleshoot a bad installation. If you can't get Node.Js to work on your computer, do the following to reset it:

   1. Open the installation folder.
   2. Find the "nodejs" folder and delete it.
   3. Double-click the Node.Js installation file to restart the installation.
   4. Use the default settings to install Node.Js.
   5. If this process doesn't work, try using the LTS installation file instead of the Current installation file. You can find it on the Node.Js download site.