If you are a developer or a business owner still relying on Silverlight 6.0 (hypothetically) or 5.0, migration is mandatory.
This guide will explain why version 6.0 was never released, how to safely download the correct version for Windows, and what to do if your system requires Silverlight today.
Developers strongly suggest using the latest version (currently 6.2) for improved stability and broader device support, as features are added rather than removed in newer updates. Older Versions of Sliver - Apple Tech 752

