GNU/Linux Ubuntu 20.04 NetGear A7000 Nighthawk Wifi Driver Setup – Step-by-step Guide
Hi! The linked Tutorial shows you Step-by-Step How to Install NetGear Nighthawk A7000 WiFi AC1900 USB Dongle Driver for Ubuntu 20.04 Focal LTS GNU/Linux.
And the Ubuntu Focal NetGear A7000 Setup is based on the Realtek rtl8814AU Chipset Driver Installation.
But the Realtek rtl8812AU Driver following the Realtek Documentation is supporting also the rtl8814AU Chipset.
So you may try first with the rtl8814AU Driver Setup and eventually switch to the rtl8812AU.
GNU/Linux Ubuntu 20.04 Installing NetGear Nighthawk A7000 Wireless Driver