Once launched it, you can load DVD files to it through three ways-"DVD Rom", "DVD Folder" and "IFO/ISO".
Click the drop-down menu of "Format" to ""MobileDevice">Sony Walkman Video(*.mp4) or select "Common Video"> "H.264 Video (*.mp4) as output format.
Once all settings are done, you can click "Convert" button to start ripping. The output MP4 files can be found out via clicking "Open" button effortlessly.Have fun!