Microsoft is also reassuring that they are committed to keep supporting  H.264 HTML5 video codec in Internet Explorer 9, as well as VP8 video, when the user has installed the VP8 codec. Microsoft has recently released another browser add-on called HTML5 Extension for Windows Media Player Firefox Plug-in for Windows 7 users, who uses Firefox and likes to play H.264 videos. So this means that Windows 7 users are going to have compatibility across most major Web browsers, IE, Chrome, and Firefox to play H.264 HTML5 videos for sometime.

Download Windows Media Player Extension for Chrome. Download HTML5 Extension for Windows Media Player Firefox Plug-in. Learn more on what Microsoft thinks about H.264 visiting here and here.

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