Installing on Windows
On Windows, go to http://nodejs.org and download the MSI installer. Every release of node has a corresponding MSI installer that you need to download and execute.
The filename follows the format node-v?.?.?.msi. Upon executing it, simply follow the instructions in the setup wizard shown in Figure 1-1.
Figure 1-1: The Node.JS setup wizard.
To ensure that the installation worked, open the shell or command prompt by running cmd.exe and typing $ node –version.
The version name of the package you just installed should display.