Many users face the problem of playing MP4 video files on their computers. This article will tell you how to fix this problem.
Steps

Step 1. Download any free MP4 file player (MP4 player) on the internet

Step 2. If you do not want to download a new player, but want to use the player you have already installed, download the codecs on the Internet (they are available for free)
Here is the codec for Microsoft's Windows Media Player.

Step 3. After downloading the codec, install it
If you are not an advanced computer user, choose a typical installation.
