WiX Bootstrapper Application with WPF Custom UI

Question

I'm very new to "WIX" based application, i need to create an "MSI" where it has to check for .Net Framework4.0 and SQL server2008, if not installed i have to installed first and then have to install my application "Exe" and one more "VBscript Agent", it must be done like when you install WIX3.7 setup(if we double click the setup file, it will show UI ,

i have no idea where to start... Is there any step by step guide to develop this Kind of application?