Microsoft Silverlight 1.0

Microsoft® Silverlight™ is a cross-browser, cross-platform plug-in for delivering the next generation of .NET based media experiences and rich interactive applications for the Web.
Silverlight offers a flexible programming model that supports AJAX, VB, C#, Python, and Ruby, and integrates with existing Web applications. Silverlight supports fast, cost-effective delivery of high-quality video to all major browsers running on the Mac OS or Windows.

Deliver media experiences and rich interactive applications for the Web that incorporate video, animation, interactivity, and stunning user interfaces. Seamless, fast installation for users, thanks to a small, on-demand, easy-to-install plug-in that is under 2 megabytes (MB) in size and works with all leading browsers.

Consistent experiences between Windows-based and Macintosh computers without any additional installation requirements. Create richer, more compelling Web experiences that take greater advantage of the client for increased performance.

Stunning vector-based graphics, media, text, animation, and overlays that enable seamless integration of graphics and effects into any existing Web application. Enhance existing standards/AJAX-based applications with richer graphics and media, and improve their performance and capabilities by using Silverlight.

Download Microsoft Silverlight 1.0 at here or here.