We receive a lot of questions about Silverlight support roadmap. The purpose of this post is to consolidate few relevant links to answer most of your questions.

  1. Microsoft will continue to support Silverlight 5 until 10/12/2021 – see here http://support.microsoft.com/lifecycle/default.aspx?LN=en-us&c2=12905&x=11&y=13
    – more details on our support policy are here http://support.microsoft.com/ph/12929
  2. Microsoft continues to release updates to Silverlight 5 to address security and compatibility issues. You can download the most up-to-date version of Silverlight and find it's browser/OS compatibility here: http://www.microsoft.com/getsilverlight/Get-Started/Install/Default.aspx
  3. As a software developer, you can build portable class libraries that simultaneously target various .NET runtimes, including Silverlight, Windows Phone, Windows 8, and Xbox: http://msdn.microsoft.com/en-us/library/vstudio/gg597391(v=vs.100).aspx