GNU/Linux Elementary OS ASUS PCE-AC88 Wifi Driver Setup – Step-by-step Guide
Hi! The linked Tutorial shows you Step-by-Step How to Install ASUS PCE-AC88 AC3100 Wireless 802.11ac Driver in Elementary OS GNU/Linux Desktop.
And the ASUS PCE-AC88 Device make use of the Broadcom BCM4366E Chipset that is supported by the brcmfmac Kernel Module.
In any case to get the possible Newest Patches, Fixes, and Improvements you are strongly Recommended to Update System & Kernel.
Finally, in case to check your Adapter Chipset see: How to Check Wireless Device ID on GNU/Linux.
GNU/Linux Elementary OS ASUS PCE-AC88 Wireless Setup Guide
This Card should Work Out-of-the-box on Elementary OS 6+!
For the Legacy releases you should see instead How to Install the Latest Kernel on Elementary OS