This document provides instructions for converting RMVB video files to MP4 format so that they can be played on devices like MP4 players, iPods, and PSPs. It recommends using the CloneDVD Video Converter software, which allows users to load multiple RMVB files, select MP4 as the output format, specify the destination folder, and start the conversion process to automatically convert files from RMVB to MP4 format.