This is the gold standard. You will go directly to the source, download the exact driver, and install it. You will need a second computer or a smartphone with internet access.
Copy the downloaded file to the target PC via: how to install driver for network adapter
Most smartphones can share internet via USB tethering, and Windows often has generic drivers for this. This is the gold standard
What if you have no second PC, no USB drive, and no idea what your hardware ID is? Use a pre-packaged offline driver pack. Why this works: SDIO does not require an
Snappy Driver Installer Origin (SDIO) is a free, open-source tool that contains a massive library of network drivers. You need to download it onto a USB drive using a friend’s PC or a library computer.
Why this works: SDIO does not require an internet connection to install drivers. It’s the ultimate offline solution.