How to Install Realtek rtl8812AU Driver on Deepin Linux – Step-by-step

4. Installing Realtek rtl8812AU Driver

Then to Install rtl8812AU Wi-fi Driver for Deepin
Access the Target folder:

cd  ~/Downloads/rtw88

To Install it with DKMS do:

sudo dkms install $PWD

Then install the Firmware:

sudo make install_fw

For any further insight, including Secure Boot setup, see the Developer Documentation on GitHub.
Next to load it reboot the System with:

sudo reboot

Finally, to list the available Wifi Interfaces run:

iw dev

Or else:

ifconfig | grep wl

The grep Command refine the output List showing only the Entries matching the Keyword.