GNU/Linux Mint Installing Silverlight Guide
You are Welcome! The linked Tutorials Show You Step-by-Step How to Install the Silverlight Support for Firefox and Opera Web Browsers by the Pipelight Package in Mint GNU/Linux Desktops.
And Pipelight on Linux Mint allows one to run Windows browser plugins in the context of Linux browsers.
Especially relevant: Pipelight has been Discontinued and is Not Working in PPAPI Browsers with the best Security features.