There are several options available to get started learning how to use WiX.
This help file includes a set of How To Guides that explain how to accomplish common Windows Installer tasks using WiX.
If you prefer to learn from a tutorial, the following options are available:
Introductory tutorials:
Comprehensive tutorial:
http://www.tramontana.co.hu/wix/ Note that this tutorial is currently targeted at WiX 2.0. This tutorial is a great way to ramp up on the WiX toolset if you are new to WiX or are looking for answers to common authoring questions.
If you prefer to learn from audio-visual presentations, the following options are available:
If you prefer to learn by interacting with the community, there is a WiX users mailing list at http://wix.sourceforge.net/mailinglists.html#wix-users.
If you prefer to learn by using an integrated development environment, there is an overview of WiX editors at http://robmensching.com/blog/archive/2007/11/20/WiX-editors.aspx.
If you prefer to learn by working backward from a Windows Installer package you have already created, you can run the WiX decompiler (Dark) to convert your package into WiX authoring and then recompile it using the WiX compiler (Candle) and WiX linker (Light).
If you prefer to learn by reading code, WiX is an open source project, and you can look at the source code by reviewing the How to be a Windows Installer XML Developer topic.
If you prefer to learn by writing code, you can review the following WiX issue trackers:
For WiX development assistance, there is a WiX developer mailing list at http://sourceforge.net/mailarchive/forum.php?forum_name=wix-devs.