Apple Events - Special Event June 2015 - AppleStreaming video requires an iPhone, iPad, or iPod touch with Safari on iOS 9.0 or later, a Mac with Safari on macOS v10.11 or later, or a PC with Windows 7, 8, or 10. Windows 10 also requires Microsoft Edge. Streaming via Apple TV requires an Apple TV (2nd or 3rd generation) with software 6.2 or later or an Apple TV (4th generation).
https://jp.techcrunch.com/2015/04/15/20150414apple-worldwide-developers-conference-is-june-8-12/
