After downloading and installing Nodejs and Git we can check it by using there commands.
C:\WINDOWS\system32>node -v v6.11.0 C:\WINDOWS\system32>npm -v 5.0.4 C:\WINDOWS\system32>git --version git version 2.10.1.windows.1
1. Installing Ionic
Now to go to www.ionicframework.com here you can see commands for installing ionic on windows. Here is command
npm install -g ionic cordova
After installing ionic now we will create our first Ionic2 App by running this command in the desired folder where we want to create our app.
ionic start Myapp blank
Now we will run our first app in the browser by going into that folder and using below command