Who it's for

The Realtek 8188GU Wireless LAN 802.11n USB NIC driver represents the workhorse of budget wireless connectivity. While it lacks the blazing speeds of modern Wi-Fi 6 standards, it provides essential connectivity for millions of devices.

This comprehensive guide covers everything you need to know about finding, installing, and troubleshooting the Realtek 8188GU driver on Windows and Linux. What is the Realtek 8188GU USB NIC?

What are you using? (Windows 10, Windows 11, Ubuntu, etc.)

Windows 10 and 11 have a large database of drivers.