Now, using your phone's mobile data (or a friend’s Wi-Fi), you need to download the driver. Do not just search "WiFi driver." Be specific.
If you already have the driver files on your computer but they aren't installed: how to install wifi drivers without internet
You need a secondary device that does have internet: your Android or iPhone. This will be your donkey cart carrying the precious cargo to the dead PC. Now, using your phone's mobile data (or a