Installing offline documentation for XNA Game Studio 4.0

A while back, I wrote a blog post explaining how to install offline documentation for the Windows Phone Developer Tools.  Up until recently, those steps worked for the Windows Phone Development documentation, but not the XNA Game Studio 4.0 documentation.  It has taken a little while, but the XNA Game Studio 4.0 documentation can now be downloaded for offline viewing using these steps as well.  This will allow you to access help by pressing F1 within Visual Studio during XNA Game Studio development even if you are working offline.