GNU/Linux Fedora Installing Kernel Offline Guide
You Are Welcome! The linked Tutorials shows you Step-by-Step How to Install Kernel without Internet Connection in Fedora GNU/Linux Distribution.
And to achieve the Linux Kernel Fedora Installation you need to Download the following Packages: kernel, kernel-modules and kernel-core.
Most noteworthy: to achieve this Setup you simply need any Online Computer with a Browser and a USB Stick to Copy the downloaded Package.
But if you dispose of an Android Mobile Phone with Internet Acces, then an Easier Solution should be of using it! See: Internet Connection USB Tethering Guide.