Prerequisites for building a Kodi for Windows installer:

1) See http://kodi.wiki/view/HOW-TO:Compile_for_Windows

Usage:
1) Run BuildSetup.bat in project\Win32BuildSetup
2) Watch the screen, maybe you're asked for input
3) Wait... Wait... Wait...
You should now have KodiSetup-<lastcommitdate-gitrev>.exe file.