If video on a website won't play correctly in Internet Explorer 10 you may need to install an add-on. Internet Explorer 10 plays HTML5 and Adobe Flash videos, but videos on some sites might need an add-on to play. If video won't play, try this:
If you are using Windows 8, Flash Player is embedded into the operating system for Internet Explorer so there is no need to manually install. Updates will automatically be made available through Windows Update.
If videos are not playing properly in the Internet Explorer 10 app from the Start screen, perform the following:
The video should open and play in Internet Explorer in Desktop mode.
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