How to Build Custom Kernel in Gnu/Linux Distros
GNU/Linux Building Kernel from Source Code Guide
Hi! The linked Tutorials Show you Step-by-step How to Download, Build and Install a Custom New Vanilla Kernel from Source Code in GNU/Linux Distributions.
Especially relevant: this GNU/Linux Kernel Setup make use of the original Linux Kernel Source Code.
Again this tutorials make it the Easy Way and so is intended especially for Beginners.