Download the above file, and extract it (with 7-zip or WinRAR for example). Move the btvvc32.drv file to your Windows/System folder (Win95, 98, Me), WINNT/System32 folder (WinNT 4, 2000), or Windows/System32 folder (WinXP, 2003, Vista 32-bit).
The Fraps codec (FPS1) is put on the system when you install Fraps. If you’ve reinstalled Windows you will also need to reinstall Fraps in order to play back your movies. Please keep in mind that if you want to give your raw footage to another person they will also need to have Fraps installed.
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CamStudio Lossless Codec is optimized for screen capture applications. It complements the other CamStudio Screen Recorder and is able to encode frames at high speed with perfect quality. See other codecs if this does not work.