Whenever you need to make a new Silverlight 4 Out Of Browser (OOB) application you have to do a few things before you even get started. You need to make an Install Button, check for updates and inform the user to restart the applications if in fact updates have been installed. In this video I show you how to make a SL4 OOB template that can allow you to do these mundane tasks in seconds when creating a new OOB application.
Video: http://tinyurl.com/yzv8b6r
from victor gaudioso more here