The "AC" designation confirms it uses technology (WiFi 5). These adapters typically use chipsets from Realtek (RTL8812AU, RTL8812BU), MediaTek (MT7612U), or Broadcom.
To ensure the adapter functions at its peak performance, the correct driver must be installed to bridge the hardware and the operating system.
Most users struggle not with the hardware, but with the installation order. Follow this sequence religiously.