Play 4K Video on VLC GoTo Tools > Preferences > All Settings (CTRL+P) In Video > Output Modules Change Video Output Module to: 1 DirectX (DirectDraw) or 2 OpenGL Save Restart VLC Working 4K Use latest VLC Media Player! **Warning** Video may Break Sometimes during non-4k videos, Change back to Automatic for them. If it still doesn't work try KMPlayer! Screenshot