GNU/Linux Mint Building Kernel 5.15 from Source Code Guide
Hi! The Tutorial Shows You Step-by-step How to Build and Install a New Custom Kernel 5.15 from Source Code in Mint GNU/Linux Desktops.
And this Mint Kernel 5.15 Setup make use of the latest Source Code.
Especially relevant: you may instead see the Easier Kernel Update by the Mainline Kernel Installation GUI.
Again this tutorial make it the Easy Way and so is intended especially for Beginners.