United StatesChange
Enhance your experience on Microsoft.com with Microsoft Silverlight
Microsoft Silverlight delivers a new generation of high-quality audio and video, engaging media experiences, and interactive applications for the Web.
Approximately a 4MB download and a 20-second install.
Your Potential, Our Passion
Students save 91% on Office UltimateMicrosoft Silverlight: Download the plug-inStudents save 91% on Office UltimateVisit Microsoft Update for the latest security downloads and moreGet a second shot free with Microsoft Certification
  • Highlights
  • Latest releases
  • Using your computer
  • For Business
  • For IT Professionals
  • For Developers
Now open: Shop the Microsoft Store for your Microsoft products
Microsoft Store: now open for business
Conveniently shop for your Microsoft products in one place
At Home
Try Windows Live OneCare free for 90 days
Windows Live OneCare
Try the all-in-one security and performance service free for 90 days
At Work
Try Microsoft Office 2007 free for 60 days
Microsoft Office 2007
Choose a suite and try it free for 60 days
Microsoft Dynamics CRM free 30-day trial
Dynamics CRM Online
See the power of Microsoft Dynamics CRM Online. Get the free 30-day trial
System Center Mobile Device Manager 2008 free 120-day trial
Be an IT (super) hero
Manage your company's mobile devices on the secure and familiar Windows Server platform. Get a free trial now
Download the 120-day Evaluation Edition of Windows Embedded Standard 2009
Windows Embedded
Download the 120-day Evaluation Edition of Windows Embedded Standard 2009