GNU/Linux CentOS 8 Realtek rtl8192cu Driver Installation Guide
Hi! The linked Tutorial Shows You Step-by-Step How to Install Realtek rtl8192cu Wireless Driver in CentOS 8 GNU/Linux.
And the Realtek rtl8192cu CentOS 8 Driver Installation is Quick & Easy, involving at most the execution of some Basic Shell Commands.
Finally, if you have Different Card then See this Other Guide: How to Install Realtek Wifi Drivers on CentOS.

Installing Realtek rtl8192cu Driver for CentOS 8
How to Install Realtek rtl8192cu Wifi Driver in CentOS 8
Here CentOS Realtek rtl8192cu Installation
And on a 4.4+ Linux Kernel it should work Out-of-Box!
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