Connect your Realtek 8811CU USB adapter to an open USB port. Right-click the and select Device Manager . Expand the Network adapters section.
This is the you are searching for. There is no Setup.exe —only raw driver files. realtek 8811cu wireless lan 80211ac usb nic update portable
Visit your device manufacturer's portal or search the for "RTL8811CU" or "Realtek 8811CU". Connect your Realtek 8811CU USB adapter to an open USB port