Set up your Original Xbox with internet access by bridging your PC’s Wi-Fi connection to its Ethernet port.
Open Command Prompt and run the following command:
ipconfig /all
After plugging your Xbox into the Ethernet port of your PC, locate your Wi-Fi adapter details and write down the following information: (You could also use any available IP in your network, but for simplicity this guide recommends copying the wifi IP)
Follow these steps to create the network bridge:
Once the bridge is created:
Restart your PC. Once logged back in:
Your Original Xbox should now have internet access via your PC's Wi-Fi. If you run into any issues, try disabling and re-enabling the bridge or re-entering the IP settings.