anyone know a good software that is free to convert mp4 to wmv? i need it because i have couple of videos in mp4 format and i need to use it in windows movie maker to edit them for a school project and need to present it in windows media player.  Or if you guys have anyother way to use my mp4 videos in windows move maker.
thx for any help you guys can give me.

ps i had this converter called aimersoft video converter but it made the video really fast and made the audio at normal speeed.