Where can I get the “Silverlight Developer Runtime” for Silverlight 4?

Question

The error I\'m getting is:

Unable to start debugging. The Silverlight Developer Runtime is not installed. Please install a matching version.

Answer 1

The Silveright 5 Developer Runtime is available within the Microsoft® Silverlight® 5 Tools for Visual Studio® 2010 SP1. It is listed under the Details section on that page.