How to make installer set up of Cocoa project?

Question

I have make one application Cocoa using XCode. Now I want to make setup file of project. So other user can install this project directly in his system.

Answer 1

In short, the polite way is to build your app with the Release Configuration, put it into a Disk image with Disk Utility or zip it up, then put it on a server and have people download it.

If you want a longer and more detailed answer, read Apple's Software Distribution Guide.