That is the single instruction how to install Alfa AWUS036ACH WiFi adapter on Kali Linux (including M1 Mac CPU).
git clone https://github.com/aircrack-ng/rtl8812au.git # Download the driver
cd rtl8812au # change directory
sudo make && make install # install the driver
sudo shutdown -r 0 # reboot
Let’s check it:
Turn the adapter into monitor mode…
… and start harvesting: