GNU/Linux Kali ALFA Network AWUS036AC Wifi Adapter Driver Setup – Step-by-step Guide
How to Install Alfa Network AWUS036AC Wireless AC1200 USB Dongle Driver on GNU/Linux Kali desktops – Step by step Tutorial.
And the Kali ALFA Network AWUS036AC Setup is based on the Realtek rtl8812AU Chipset Driver Installation.
So the linked guide explain How to Download and Install the rtl8812AU Linux Driver.
In case to check your Adapter Chipset see: How to Check Wireless Device ID on GNU/Linux.

GNU/Linux Kali Installing Alfa Network AWUS036AC Wireless Driver