OS X El Capitan?

Mac OS X

Release Date: Sep 30, 15

Your OS is up to date

Keeping your operating system up-to-date ensures you qualify for the latest software updates necessary for optimal media playback.

Adobe Flash

Version: Flash 21 Beta

Release Date: Mar 10, 16

Your Flash is up to date

Adobe Flash Player is a browser plugin used to stream and view video, audio and multimedia and Rich Internet Applications (RIA) on a computer or supported mobile device.

View release notes for your version

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Your internet provider (ISP) is the gateway between your device and the video stream. Network issues are the most common cause of streaming problems, like excessive buffering or loss of quality.