http://blogs.technet.com/robertev/archive/2008/04/05/getting-started.aspxThere are a lot of things to download and install in order to get started writing Silverlight and WPF applications.. Download Microsoft® Visual Studio 2008 90-day trial version here . Download Microsoft® Visual Studio 2008 Tools here . Download Microsoft®en-USCommunityServer 2.1 SP1 (Build: 61025.2)