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How do I play mp4 file on Windows 10 on a desktop?

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Pavillon 20 20b010
Microsoft Windows 10 (64-bit)

I am unable  to open an mp4 file.  How do I open an mp4 file?

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Allow me to welcome you to the HP forums!


That's because the default app for opening media files in Win10 is probably Windows Media Player -- and that lacks MANY of the codecs needed for current video file formats.


A much-better solution is to use VLC Media Player:

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