What are some alternatives?
When comparing RealPlayer and KMPlayer, you can also consider the following products
MPC-HC - MPC-HC, the free, open source media player for Windows. DownloadsNote. Supported Operating Systems: Windows® XP SP3 .
Winamp - Winamp is a media player that allows users to play multiple-file formats, arrange media in a varied file-management system, and play unique media with AAC encoding.
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Clementine - Clementine is a cross-platform free and open source music player and library organizer based on...
SMPlayer - SMPlayer is a free video and audio player for both Windows and Linux that allows you to play almost all media files without having to install additional codecs. Read more about SMPlayer.
Windows Media Player - Get information about Windows Media Player and other Windows Media technologies.