The Microsoft® Silverlight™ 4 SDK RC contains online documentation, online samples, libraries and tools for developing Silverlight 4 applications.
Usage of the SDK is subject to the SDK License (included in the package). <-- it doesn't have 'Go-Live' license ! Read more: MS Download
Usage of the SDK is subject to the SDK License (included in the package). <-- it doesn't have 'Go-Live' license ! Read more: MS Download