How Do I Install? Raspberry Pi and WebControl setup for complete beginners

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This thread might have more information that you want like where that file is for different OS:

Which GC files hold all the calibration settings?

I have GC installed on 2 laptops because I grabbed the wrong one at one point. I now have my Maslow and GC all set up and working great on the wrong laptop. Which files do I need to move over to the other to transfer all my settings?