While MX Player is excellent, some Windows 10 users in 2021 found that VLC Media Player or MPC-HC (Media Player Classic Home Cinema) handled Xvid without any extra codecs. If the MX Player route fails entirely, switch to (2021 stable), which has built-in Xvid decoding.

By the end of 2021, Microsoft had still not added native Xvid support to Windows 10, and MX Player’s transition to a Progressive Web App on Windows had left legacy codec support in limbo. The definitive solution remains installing a trustworthy DirectShow filter—specifically the —and forcing MX Player to use software decoding.

: A free, hardware-accelerated alternative for high-definition playback. Troubleshooting Xvid in MX Player Download MX Player for PC Windows 11/10 - WinXDVD

Right-click the downloaded K-Lite_Codec_Pack_1640_Basic.exe and select This is crucial on Windows 10 for system-wide codec registration.