The plugin you need to install is in the file wmpplugin.exe. That file can be downloaded from
Note: this plugin only works for Windows 95, 98 and 2000. Windows XP users should set the file to be treated as a Windows 98 file, or else upgrade to a newer version of Windows Media Player, or an alternative media player.
In the case of no Netscape installed, the installation copies the required tiles into the directory C:\Program Files\Windows Media Player\. If the files are not in that folder, try to search for the following from anywhere on your hard disk. The files that should be copied to the K-Meleon plugins directory are: