Can't play MP4 on Windows? This post will show you how you can play & view MP4 video files using freeware like VLC Media Player & 5KPlayer.

Need to use third-party programs to open files on your PC? Here's how to change file associations in Windows 10 and choose which apps open which file types.

I was recently sent some video clips in .mp4 file format and could not open them with Windows Media Player, which displayed a message saying the file was incomplete or corrupt. I tried various ...

You can open File Explorer in more than one way, and in this guide, we'll show you nine (plus) methods to complete this task on Windows 10.

Check out our guide on how to convert MP4 files to AVI, whether you use Windows or Mac OS X.