: Transfer the tool to the Windows 10 device without internet and run it.
: Follow the tool's instructions to download and install the WiFi driver. Note that for this method, you'll need to have temporary internet access or have downloaded the drivers previously. how to install wifi driver windows 10 without internet
: The tool will scan your device and list the drivers that need to be updated or installed. : Transfer the tool to the Windows 10
Since your primary PC is offline, you must use a "bridge" device with internet access to fetch the installer. : The tool will scan your device and
“If you have an Android phone, you can download the driver on your phone, then connect the phone via USB and enable ‘USB tethering’ — this gives temporary internet to Windows 10, allowing automatic driver download through Windows Update.”
By following these methods, you should be able to install the WiFi driver on Windows 10 without an internet connection.
If you don't know the exact model of your network adapter or have trouble finding the correct driver, you can use a third-party tool. However, be cautious and only use reputable tools to avoid malware.