The psot have the dowload link for midi2wav converter
MIDI to WAV Maker It is an easy-to-use tool to convert MIDI to WAV format with CD quality. Normally MIDI files are not processed directly by other programs such as audio converters, music editors, or CD burners. So after converting midi to wav file, you can burn the output wav file to CD easily by other tools, or process the wav file for other purpose.
This is the download link:
http://www.008soft.com/products/midi2wav.exe
How to convert midi to wav: Click the Open button, select a *.midi (or *.mid, *.rmi) file.
Change the output name if necessary, which must be a wave file. Or click the "Browse" to name the file in a folder.
Then click the Convert button, the conversion will start. Please make sure you can hear normal sound of the MIDI file when converting mid to wave, otherwise check Windows Volume Control.
After the conversion is over, click the Play button to listen to the wav file with Windows Media Player.
Before start the next conversion, please exit the player.If you feel the output wav is lighter or louder or distorted, adjust the volume control of the program, or "Volume Control" or "Wave" of Windows. Then start conversion again. Try several times, you will get the appropriate output audio.
This is what the program look like: