The camp fires gradually died away; all was dark and silent; the sentinel stationed to watch the horses had marched as far, and supped as heartily as any of his companions, and while they snored, he began to nod at his post.
RealNetworks RealPlayer media player. RM is a file extension for a container file used by RealNetworkâs RealPlayer media player software for audio and video files, or links to these files for live streaming. RM stands for RealMedia. RealMedia files usually use RealNetworkâs own proprietary Realvideo and RealAudio codecs.
The easiest way to play RMVB files is to download and install the RealPlayer software, although there is another method for playing RMVB files for users who already have Windows Media Player Classic installed and do not want to install additional media players on their computer.Ad.ethod 1 of 4: Installing RealPlayer. 1. Download and install RealPlayer if you want to run RMVB files directly in the media player created by RealMedia. 1  Visit the RealPlayer page on the RealMedia website and click the RealPlayer Free Download button.