Some users just want to install the driver only, and do not want to install the utility 'REALTEK USB Wireless LAN Utility'. Then users will manage the Wi-Fi connection with the default Windows utility instead of the 'REALTEK USB Wireless LAN Utility'.
| REALTEK USB Wireless LAN Utility (Not Recommended) |
Default Windows utility (Recommended) |
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1）Remove the USB Wi-Fi Adapter from your PC.
2）Remove all other USB devices from your PC except keyboard and mouse.
3）Uninstall the driver and utility you have installed for USB Wi-Fi Adapter.
4）Restart your computer.
5）Remove the following files and directory in your computer if they exist. (Or, you can rename them to keep.)
C:\Windows\System32\drivers\rtwlanu.sys
C:\Program Files\Realtek
C:\Program Files (x86)\Realtek\USB Wireless LAN Driver
C:\Program Files (x86)\Realtek\USB Wireless LAN Utility
6）Close all unnecessary utility.
7）Disable the firewall including Windows Defender.
8）Download the latest driver from the following URL and run the setup.exe.