How to add initial view to Storyboard file?

When you create a new Storyboard file, all you need to do is click/drag the UIViewController object from your right hand side of tools into your Storyboard and then you're all set to begin work on your new Storyboard.

Just in case you can not start from scratch :

• Select your View Controller
• Open the Attribute inspector (right pan by default)
• Go to View Controller section
• Select Is Initial View Controller checkmark of the Initial Scene option