Sometimes, plugging in an Ethernet cable and running Windows Update will find the driver automatically.
Ensure you select the version corresponding to your operating system (e.g., Windows 10 64-bit or Windows 11).
Look under "Network adapters." You will likely see names like "Realtek PCIe GbE," "Intel Ethernet Connection," or "Qualcomm Atheros."
A more comprehensive, open-source tool. Ensure you use the SDIO Origin version to avoid ad-heavy clones. Tips for a Smooth Installation
If you can't get online at all, you'll need to download a tool on a different device and transfer it via USB.