Today, we're happy to announce the release of Silverlight 5.
Silverlight is part of a rich offering of technologies from Microsoft
helping developers deliver applications for the web, desktop and mobile
devices. Download Silverlight 5, a free plug-in less than 7 MB in size that can be installed in less than 10 seconds.
Newfeatures in Silverlight 5 include Hardware Decode of H.264 media, whichprovides a significant performance improvement with decoding of
unprotected content using the GPU; Postscript Vector Printing to improveoutput quality and file size; and an improved graphics stack with 3D
support that uses the XNA API on the Windows platform to gain low-level
access to the GPU for drawing vertex shaders and low-level 3D
primitives. For more click below:
http://blogs.msdn.com/b/silverlight/archive/2011/12/09/silverlight-5-available-for-download-today.aspx