If Windows doesn't find it, you’ll need to download the package manually. While Realtek's official site mainly lists SDIO/PCIe versions, several manufacturers provide USB-specific packages for Windows 11.
If the Wi-Fi connection drops frequently, especially after the computer has been idle. realtek 8723du wireless lan 80211n usb nic driver windows 11
The Realtek 8723DU may have a specific hardware ID, such as USB\VID_0BDA&PID_D72B . If a standard driver doesn't work, search your PC manufacturer's support website for a driver specifically made for your model. If Windows doesn't find it, you’ll need to
Before downloading files from third-party sites, check if Microsoft has a certified driver in their catalog. The Realtek 8723DU may have a specific hardware
Windows 11 does not always include a high-performance native driver for the RTL8723DU in its core installation media. It often relies on a generic Microsoft WLAN driver which can cause instability.
Windows 11 will install the driver files. Restart your PC to ensure changes take effect. Troubleshooting Common Windows 11 Driver Issues