Every camera manufacturer includes one or more software utilities to read the RAW format files. You need to read the user information included with your camera or contact the camera manufacturer's Technical Support.
Since your questions are really about your camera and not really Windows 7 problems, why are you not posting your questions in the Panasonic Support forums? That is exactly why Panasonic established their support forums!
This is a Microsoft forum, not a Panasonic forum!
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