What codec do I need to play MP4 files in Windows Media Player? I am using Windows XP and WMP 10

Askville Question: What codec do I need to play MP4 files in Windows Media Player? I am using Windows XP and WMP 10 : Software ... Apple Quicktime codec will play MPEG-4 files. To find out more about .mp4 extension and its variants, you can check this wik

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