Step-by-step – Realtek Rtl8192DU Driver Ubuntu 20.10 Installation

Downloading

2. 2. Downloading Realtek rtl8192DU Driver

   Download Realtek Driver for Ubuntu GNU/Linux

   Get Realtek Wi-fi Driver for Ubuntu

   Realtek rtl8192DU Driver Source for Ubuntu

   Best to Clone it with Git!
   If No Git then first execute:

   sudo apt install git

3. 3. Extracting Realtek rtl8192DU Driver

   And then Extract Driver Archive into /tmp
   (But best instead you follow instructions for a Git Checkout)
   Eventually Double-Click/Right-Click on Package and Open with Archive Manager:
   
   Or from Command Line:

   unzip -d /tmp/ ~/Downloads/*master.zip

   But if you are in Trouble to Find the Location on Terminal then See: How to Access Downloads Folder from Browser.