I bought a book here and downloaded in PDF format but want to save it in kindle format to read on my kindle. Also I need to know how to get it from my PC to my kindle. Can any one advise me what I need to do?
There are a number of ways to put a pdf on your kindle. All you need a usb cable and a computer.
The easiest way to describe the process is probably to point you towards a youtube video tutorial. This one from goodereader is a little poorly done but goes through the process.
The steps are:
Hope that helps.