Hello satimis, Moonlight, which was an open-source implementation of Microsoft Silverlight, was discontinued a while back. Moonlight was primarily developed for Linux systems to enable Silverlight content to be played in browsers like Firefox. However, for Windows systems, including Windows 7 64-bit with Internet Explorer 8, the best approach for Silverlight content would be to use Microsoft Silverlight itself. Unfortunately, Moonlight is no longer actively developed, and finding 64-bit versions of it might be quite challenging if not impossible. Here are some recommendations for using Silverlight on your Windows 7 system: 1. Microsoft Silverlight: This is the official plugin developed by Microsoft to enable Silverlight content in...