The original USB-WIFINT Wi-Fi 4 adapter was sold up until early 2026 and featured a Realtek RTL8188EUS chipset. On Windows 11 and 10 systems, drivers are fully built into the operating system—no installation is needed.
For Windows 8.x or 7, if you have an active network connection, the driver should install automatically via Windows Update once the adapter is plugged in.
If no internet connection is available, you can perform a manual installation. Follow the steps below for your specific version:
USB-WIFINT (RTL8188EUS) - Windows XP to Windows 10
- Download the drivers: USB-WIFINT (Wi-Fi 4) Windows Driver
- Connect the USB-WIFINT to your computer.
- Extract the downloaded ZIP folder (Right-click and select "Extract All...").
- Run setup.exe from the extracted files with administrator privileges.
- Follow the installation prompts and restart your computer once complete.
Legacy macOS (10.6 to 10.14)
- Download the drivers: USB-WIFINT macOS Driver (10.6-10.12)
- Double-click the downloaded file to extract it.
- Run the installer and follow the prompts.
- Restart your computer to complete the connection setup.
Legacy RTL8188CUS Revision (Sold before 2017)
- Download the drivers: Windows XP to Windows 10 Legacy Driver
- Run the downloaded executable file.
- Follow the installation process.
- Restart your computer to connect to a wireless network.
If you encounter errors or issues, please contact Plugable Support for further assistance.