Edit: This video is over 3 years old. YES I know Netflix is now on the Xbox. It was not when this video was made. I am not tech support for Roku or netflix. I try to answer questions that are posted when I can but I assume most people know how to type that same question into Google and hit search.
This is a simple and basic how to for the Roku Netflix Player. You can find more info about the Roku Netflix player at http://www.Roku.com.