Creating an Apple ID requires Billing and Credit Information such as your credit card number.
It is made due to most of the Games and Apps are in need to purchase on the App Store.
However, let say that you only need to download an Application and its free on the Store.
You don't want to disclose those information as you are not sure how much is the payment cost and how does the billing is made when you buy a paid Software.
With this simple procedure we can easily create an Apple ID which does not requires credit information.
It is good and enough to download any free applications on the App Store.
You should have a good Wi-Fi or Data Connection from your service provider and most advisable it should be at least on 3G Mode and a working e-mail address.