GNU/Linux Elementary OS Realtek rtl8852AU Driver Setup – Step-by-step Guide
How to Install Realtek rtl8852AU Wireless Driver on Elementary OS 6+ LTS GNU/Linux desktop – Step by step Tutorial.
Especially relevant, this Driver is supporting also the rtl8832AU Chipset. And most likely, the rtl8852BU as well.
And this Elementary OS Realtek rtl8852AU Driver is developed thanks to the beneficent Work of Lwfinger.
Finally, here I propose you a simplified Installation Setup for Machines with MOK/Secure-Boot Disabled. But in case you want to keep it enabled, then see directly the Developer’s Docs.

1. Launching Shell Emulator
Open a Terminal Shell emulator window
(Press “Enter” to Execute Commands)
And Update Apt Repository:sudo apt update
Authenticate with the User Admin Pass.
If Got “User is Not in Sudoers file” then see: How to Enable sudo.
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