Yes, Sure, I can help you.
First you need to download NodeJs in your system,You can simply download NodeJs via web or via command prompt,From web you can download as per your system configuration whether it is 64 bit or 32 bit,you can download to anywhere in your system ,regardless of current working directory.
After that , create a folder which you intended to work with this app in future and open command prompt , and divert into that folder.Then follow the steps.
1.Follow this link http://ionicframework.com/getting-started/.
if further is help please query here.
Thanks..