In order to start using Ionic, you need to install a couple of things.
Please go on https://nodejs.org/en/download/ download and install it.
NPM is the package manager of NodeJS, so to say it helps adding features to NodeJS.
Install NPM with the following command:
npm install -g npm@latest
Install Ionic Cordova
In order to do so, perform:
npm install -g ionic cordova
Once it is installed, you need to create a new project. So to say a project is an app.
How to create a new project?
ionic start myproject blank
so you now have a project created.
Get within your project with:
Once there, if you would like to see what your app look like, you need to launch the server, launch it with:
and now you can go in a browser and see how it looks like. And congratulations, you now have a server which is running your first app.