as we know, project with xib now is no allowed to create. It only allow Storyboard project, xcode 6.4 for example,

However, following the steps you could still be able to create a project with xib.

1. create a Storyboard, you have no choices but make storyboard

2. right click on project file, choose iOS->”User Interface”->View

3. after you add xib to project, make sure move it to right folder.

4. right click on project property, find “App Icons and Launch Images”
-> Lanuch Screen File