Here's a short embedded video describing the installation of PreziFly on your PC, including the free AutoIt software program. Note the icon in the lower right to make the video fullscreen if you like. If you prefer, you can directly download this MP4 video from here to play it on your PC or iPad.
A tutorial on actually using PreziFly to create a player file for your Prezi, including the addition of background narration and music, can be found here.
A tutorial on using Camtasia screencasting software to record your Prezi while PreziFly is playing it and convert it to a stand-alone MP4 video, including background narration and music, can be found here. In fact, the video on this page was captured with Camtasia.
Return to the PreziFly home page