The final version; supports 64-bit systems and hardware acceleration. Troubleshooting Installation Issues If the installer fails, try these steps:
Since Microsoft officially ended support for Silverlight in October 2021, many direct links on the official Microsoft Download Center have been retired or moved. 1. Official Microsoft Archives
Because Silverlight relies on NPAPI (which modern browsers like Chrome, Edge, and Firefox no longer support), the SDK is a temporary solution. If you are using the SDK to keep an app alive, consider these modern alternatives:
An open-source re-implementation of Silverlight that runs on WebAssembly. Blazor: Microsoft's modern web framework using C# and HTML. Uno Platform: For cross-platform desktop and web apps. If you need help with a specific error, tell me: Which Visual Studio version are you using? What is the exact error message during installation?
Are you an old app or starting a new migration project?
If you cannot find the installer on Microsoft’s servers, community archives like the Internet Archive (Archive.org) host original .exe and .msi installers.
Ensure the Silverlight Runtime is already installed on the machine.
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