Before downloading, you must know which chipset (the internal processor) your adapter uses. Most generic 802.11n USB dongles use chips from MediaTek (Ralink) Wireless LAN 802.11n USB2.0 Network Adapter - DriverHub
As Windows 10 and 11 become standard, older 802.11n drivers sometimes require "Compatibility Mode" to function, as many were originally written for Windows 7 or XP. usb 2.0 wireless 802.11 n driver download