Navigate to and click Check for updates .
802.11ac (Wi-Fi 5) backward compatible with 802.11a/b/g/n. Max Speed: Typically up to 433 Mbps on the 5GHz band. Navigate to and click Check for updates
Download the .zip file, extract it, and run Setup.exe as an administrator. Restart your computer after the installation finishes. : Right-click the Start button and select Device Manager . Navigate to and click Check for updates
Expand , right-click "Realtek 8811CU Wireless LAN 802.11ac USB NIC," and select Update driver . Choose Search automatically for drivers . Common Troubleshooting for Windows 11 Navigate to and click Check for updates
Visit the official Realtek Download Center to find the latest "WLAN USB driver" package.