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.