I have written an installer using WIX for a product, which uses:
etc.>
https://marketplace.visualstudio.com/items?itemName=MarkusWehrle.Laika42WiXToolsetExtension
this is an extension provided by Laika. download it embed an .msi in its bundle and execute the application , go through the code u will be able to understand everything about WPF Burn Bootstrapper
in bundle file -
MsiPackage Id="abc" Compressed="yes" Visible="no" SourceFile="_Dependencies\abc.msi"
----> this will come under opening\closing a Tag like <...>, stackoverflow is not allowing to put the tag
put the msi in application folder where Bin folder resides or create a _Dependencies(name it as u like) folder and put the msi there