I have already made a quiet installer (without the need to click any buttons but some progress bar is shown while installation is in progress) for a project deployment. This tim
Did you try the procedure described in this well known Wix tutorial?
At its simplest level, this means that you essentially just add this to the Wix source file and you get a default GUI:
You can also try the other "defaults":
A search turned up a similar answer, and one talking about extending the default gui.