Believe or not this information was not easy to find.
Here how to upgrade your Node.js version
Your current Node.js version
Run the following command to know what version you have installed.
You can check what’s the last version available on the official Nodejs.org website
Before upgrading, clean the cache
You need this to run the upgrade command:
(skip to next step if you already have it)
To the last stable version:
To a specific version: