To play ogg audio (that is vorbis) files, you can use winamp.

You can install directshow filter, which will enable playback of Ogg files in windows media player. To install

• Download Ogg Codecs for Windows.
• Uninstall any previous version of these filters. Go to add remove programs, remove oggcodecs.
• Make sure media player or any directshow applications are closed.
• Unzip the file to a temp directory then run setup.

Real Player can also be used to play Ogg files. You will have to download and install codecs from helix community website.