I summarized the way to install Node.js with nvm-windows. About installation of nvm-windows, I wrote it in “Windows: Manage multi version Node.js.
Procedure
Launch command prompt, and put the following command one by one.
First, check the versions of Node.js, which we can install.
Install Node.js. The command is like one of rvm.
Check the Node.js versions which were installed.
Then, choose the Node.js version.
Check the current Node.js version
You can see the current version of Node.js.