In the setup wizard:
Redownload the codec zip. A partial download will cause MX Player to reject it without an error message. xvid video codec for mx player 2021 windows 10 link
Right-click the downloaded K-Lite_Codec_Pack_1640_Basic.exe and select "Run as Administrator." This is crucial on Windows 10 for system-wide codec registration. In the setup wizard:
Redownload the codec zip
Xvid is a compression format (MPEG-4 ASP). While powerful, it is not always natively supported by every version of MX Player. To decode these files efficiently (without lag or green screens), you need the custom MX Player Codec (Neon) pack. Important: There is no separate “XviD only” file
If the above fails, use the XDA Developers mirror (trusted by millions):
Direct File (Last known working 2021 build):
mx-codec-armv7-neon-1.9.0.zip(Search for this exact filename on XDA Forums or the official MX Player Facebook page, which historically hosts codecs.)
Important: There is no separate “XviD only” file. The MX Player custom codec pack includes FFmpeg, which contains decoders for XviD, DivX, MPEG-4, FLV, and dozens of other formats.