How to Install Linux Headers Without Internet on Gnu/Linux Mint Distro
GNU/Linux Mint Headers Offline Installation
Hi! This tutorial will guide you step-by-step on How to Download and Install Offline Linux Kernel Headers for Mint GNU/Linux Computers.
And the Mint linux-headers Package provide the Headers needed to compile Modules for the Linux Kernel.
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.