If you have a pre-built PC or a retail motherboard, it came with a driver DVD. Use an external USB DVD drive if your PC lacks one. Copy the LAN or WLAN folder from the disc.

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Navigate to the official support website of your computer manufacturer (such as HP Support, Dell Support, or Lenovo Support). If you built a custom PC, go to your motherboard manufacturer’s site instead.

Get connected when setting up your Windows device - Microsoft Support

If you have no internet access at all on the target computer, you will need to use a second computer and a USB flash drive.

Find the Network adapters section and click the arrow to expand it.

Drop your DEV_XXXX code in the comments, and I’ll point you to the exact driver page.

: Right-click your specific network adapter (look for terms like "Intel Wireless", "Realtek PCIe", or "Wi-Fi") and select Update driver .