GNU/Linux Pop!_OS 20.04 Installing Dkms without Internet Guide
Hi! The linked Tutorial shows you Step-by-Step How to Install DKMS without Internet Connection in Pop!_OS 20.04 GNU/Linux Desktop.
Most noteworthy: to achieve this Setup you simply need any Online Computer with a Browser and a USB Stick to Copy the downloaded Packages.
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.
And the Dynamic Kernel Module Support for Pop!_OS 20.04 is a Program/Framework that enables generating Linux Kernel Modules whose Sources generally reside Outside the Kernel Source Tree.
GNU/Linux Pop!_OS 20.04 DKMS without Internet Access Setup