web setup project (msi installer) for a website in asp.net i

hi!
They are not supported anymore.

http://blogs.msdn.com/b/buckh/archive/2011/03/17/visual-studio-setup-projects-vdproj-will-not-ship-with-future-versions-of-vs.aspx You need to go the WiX route or choose a commercial installer of your choice. It's unfortunate, but the installer space is not a great place in the upgrade story.

for windows you can consider this link...
http://www.brainbrushups.com/2014/02/how-to-create-setup-project-in-visual.html