Most RecentMost ViewedMost LikesInstalling RIA and Silverlight Developer Runtime without Visual StudioFirst published on MSDN on Apr 25, 2013 If you try to install RIA(Rich Internet Application), you need to have either Visual Studio or Visual Web Developer installed on your machine.Internet Explorer continuously prompts for installing Silverlight when it is already installedFirst published on MSDN on May 03, 2013 If you keep being prompted to install Silverlight when it is already installed, then you are at the right place (hopefully!).