If the adapter is a generic no-name brand, try the Realtek USB FE Family Controller driver via Windows Update (optional updates).
Before installing, confirm your adapter uses the chipset. i--- Driver Usb To Lan Qts1081b Windows 11
Possibly not. Microsoft is steadily tightening driver enforcement. If you are on 24H2 or the 2025 updates, you may need to permanently disable Secure Boot. For most users, the manual INF method in Part 4 still works as of late 2025. If the adapter is a generic no-name brand,
