Just a FYI
Edge is pretty much the only way you can watch todays Apple launch event on Windows.
Apple Events - Special Event September 2015 - Apple
Requirements: Live streaming uses Apple’s HTTP Live Streaming (HLS) technology. HLS requires an iPhone, iPad, or iPod touch with Safari on iOS 7.0 or later, a Mac with Safari 6.0.5 or later on OS X v10.8.5 or later, or a PC with Microsoft Edge on Windows 10. Streaming via Apple TV requires a second- or third-generation Apple TV with software 6.2 or later