: Expand Network adapters , right-click Realtek 8723DU Wireless LAN 802.11n USB NIC , and select Update driver . Manual Install : Choose "Browse my computer for drivers."

For dual-boot users: The 8723DU is notoriously difficult on Linux. The mainline kernel does not include native drivers. You will need to compile rtl8723du from GitHub using dkms . Ensure you have linux-headers installed.

: If your adapter is built into a laptop (like certain Lenovo or HP models), download the driver directly from the laptop manufacturer’s support site (e.g., Lenovo Support Manual Installation Steps If the driver does not install automatically, use the Device Manager to point Windows to the driver files: Right-click Start and select Device Manager Network adapters Right-click Realtek 8723DU Wireless LAN 802.11n USB NIC (or "Unknown Device" if not yet recognized) and select Update driver "Browse my computer for drivers"

(Do not include links here per guidance; consult vendor support pages, Realtek driver downloads, and Microsoft’s device driver documentation for Windows 11 for WHQL/signing policies.)