“The Xvid video codec for MX Player on Windows 7 is not a single file from MX Player. Instead, download the official Xvid codec from xvid.com (free), install it system-wide, then any player—including MX Player for Windows—can decode Xvid videos. For a simpler solution, use VLC media player, which includes Xvid support without extra downloads.”
(older version from around 2015–2017): xvid video codec for mx player windows 7 free download
To play Xvid-encoded files—a common high-definition video compression standard—you may need to install the appropriate on your system. Is MX Player Available for Windows 7? “The Xvid video codec for MX Player on