GNU/Linux Tp-Link Archer T4U v3 Setup – Step-by-step Guide
The linked tutorial shows you step-by-step How to Install Tp-Link Archer T4U v3 Wireless 802.11ac Driver on GNU/Linux Computers.
And the GNU+Linux Tp-Link Archer T4U v3 Setup is based on the Realtek rtl8814AU Chipset Driver Installation.

GNU/Linux Tp-Link Archer T4U v3 Wireless Driver Installation Guide
On the Driver Download page, take into account that the Morrownr release is currently the recommended choice for this Dongle.