Ditto to what Daffy and Boston have given you. And yes, we'll walk you through the process. TallMomof2 has written a great "how to" to get you started using Igorsk scripts KindlePID and KindleFix. (
https://www.mobileread.com/forums/showthread.php?t=18310) Start there and then let us know if you run into difficulties. We're glad to help walk you through. I use my library all the time.
cheers
Lee