If you're new to Node.js, then you will need to install it on your local machine. If you've already got Node.js up and running, you can skip to the next section and set up Stripe.
Head over to nodejs.org and download the latest version and install it on your machine.Download Node.js
Install Node Package Manager (NPM)
NPM is a huge repository of free code modules that you can download and use in your application. Gravity relies on several 3rd-party libaries, so go ahead and install NPM now.Downlod NPM
When you've completed both of these steps, you can proceed to the next section and set up your Stripe accountSetup Stripe