Camcorder Sony DCR TRV 350

I have owned a Sony Camcorder DCR TRV 350 for over five years. It brought with it the Imagemixer 1.5 software for Sony. I expected it to be capable of editing my movies, however I was unable to do so. I own a desktop computer with Windows XP, and a laptop with Windows Vista. It seems that this software is not compatible with either one of these versions of Windows. I tried to download the driver for this camera from Windows Vista, but could not find it. I need some advice on how to get the right driver for Windows Vista and what software to use for this purpose. I appreciate your help!

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