Originally Posted by starworld
you mean only appropriate .bin file is needed on kindle(for mine I use xxx_k3gb_install.bin). unzipped files keep on PC only, but where should I use these unzipped ones?
Indeed, only put the appropriate .bin file (xxx_k3gb_install.bin for your Kindle). You can delete the unzipped files; you won't need them again (except if you decide to uninstall)