Silverlight 5.1.10411
Microsoft Silverlight is a Web browser plugin enables the programmable features such as animation, vector graphics and audio-video playback so you can experience rich Internet applications.
Silverlight offers a flexible programming model that supports AJAX, VB, C #, Python, Ruby, and integrates with existing Web applications.
It supports the delivery of fast and cost-effective high-quality video to all major browsers running on Windows or Mac OS.