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Step 4: Once the WMP MP4 codec installation process ends, Windows Media Player restarts automatically. Step 3: Search and download the MP4 codec installation package. Step 2: In the new Windows Media Player Error Message Help window, click the hyperlink below and move into the WMplugin website. Step 1: In the Windows Media Player MP4 not playing dialog, click the Web Help option. You can install MP4 video codecs for Windows Media Player as the following paragraphs show. What to do when you receive the notification saying A codec is required to play this file? Don’t worry about that.
#MICROSOFT WINDOWS MEDIA PLAYER MKV MP4 HOW TO#
Part 1: How to Play MP4 Files with Windows Media Player 12