Silverlight Plugin For: Mac

Microsoft Silverlight was once a standard for high-definition streaming and rich web applications on the Mac. However, the landscape has changed significantly. In 2026, the is considered a legacy technology that has been officially discontinued and is largely incompatible with modern macOS versions. Current Status of Silverlight for Mac

Silverlight (2007–2021) was Microsoft’s answer to Adobe Flash. It supported .NET-based development, DRM video (PlayReady), and hardware-accelerated graphics. On macOS, Silverlight was available as a Safari and Firefox plugin until Apple and Microsoft phased out NPAPI (Netscape Plugin Application Programming Interface) support. silverlight plugin for mac

The Silverlight plugin for macOS was technically functional for a period but suffered from architectural mismatch (32-bit only, NPAPI dependency) and security liabilities. Its deprecation followed the broader industry move away from plugins toward HTML5/WebAssembly. For modern macOS systems, Silverlight is effectively dead, and remaining legacy applications should be migrated to open standards or containerized Windows environments. The Silverlight plugin for macOS was technically functional

Microsoft Silverlight (old) on MacOs 2026 - Macbook Air M4 chip Silverlight is effectively dead

Microsoft discontinued Silverlight in 2015, citing the rise of HTML5 and other web technologies as the reason. HTML5 provided similar functionality to Silverlight but was an open standard, making it a more attractive choice for developers.