Under in the Windows Update settings, look for "Driver updates" to find specific Realtek patches.
If the link is dead, search for (latest stable version as of 2025). realtek 8811cu wireless lan 802.11ac usb nic update
ASUS actively maintains this chipset. Their driver package works for any generic 8811cu. Under in the Windows Update settings, look for
Even after a correct Realtek 8811cu update, you may encounter issues. Here is the fix matrix. Under in the Windows Update settings