Microsoft just released Silverlight 3!

You might download Microsoft® Silverlight™ 3 Tools for Visual Studio 2008 SP1 from this page.

Overview

This package is an add-on for Visual Studio 2008 SP1 to provide tooling for Microsoft Silverlight 3. It can be installed on top of either Visual Studio 2008 SP1 or Visual Web Developer 2008 Express with SP1, and it provides a Silverlight project system for developing Silverlight applications using C# or Visual Basic.
This download will install the following:

  • Silverlight 3 developer runtime

  • Silverlight 3 software development kit

  • KB967143 for Visual Studio 2008 SP1
    and/or
    KB967144 for Visual Web Developer 2008 Express with SP1

  • Silverlight 3 Tools for Visual Studio 2008 SP1
    and/or
    Silverlight 3 Tools for Visual Web Developer 2008 Express with SP1
    Silverlight 3 Tools for Visual Studio 2008 SP1 includes:

  • Visual Basic and C# Project templates

  • Intellisense and code generators for XAML

  • Debugging of Silverlight applications

  • Remote debugging of Silverlight applications for Mac

  • Web reference support

  • WCF Templates

  • Team Build and command line build support

  • Support for cached transparent platform extensions

  • Support for Silverlight 3 Out-of-Browser applications