Download and install the latest drivers
There is a driver CD included with the adapter, but it’s always best to use the latest drivers available here on the website.
If you do not have an existing Internet connection your computer, you will need to download the drivers somewhere else such as portable media like USB drive flash drive that you can use on the computer where you need to install them.
For Mac users running macOS/OS X 10.4 – 10.14, downloading the drivers from this page is required. macOS 10.15 Catalina is not supported as Realtek has not updated drivers and software for new requirements from Apple for DriverKit and 64-bit operation.
Click to see the drivers for your platform below.
For Windows 7, 8/8.1, and 10, if you have another active network connection, simply plug in the adapter and Windows will automatically download and install the latest drivers from Windows Update. If you do not have an active connection or wish to manually install the drivers click the link below.
For Windows XP and Vista you will need to download the drivers below:
Utility and Driver Auto Installation Program for XP, Vista, 7, 8/8.1, 10
Once the drivers are installed, a restart is recommended. You may use the included Realtek utility and/or your operating system’s standard built-in support for making a new wireless connection to an access point.
macOS 10.15 Catalina is not supported as Realtek has not updated drivers and software for new requirements from Apple for DriverKit and 64-bit operation. We do not have an estimate for updated drivers from Realtek and do not expect them at this time.
Click here to download the latest driver for macOS/OS X 10.6 – 10.14.
If you encounter any issues please contact us at firstname.lastname@example.org.
Select the driver that matches your OS version below:
You will need to use the included Realtek utility for making a new wireless connection to an access point.
This adapter and chipset has open source drivers with support for Linux Kernel 2.6.18 through 2.6.38 (compile required). Driver is already in recent Linux kernel versions 2.6.39 and later (kernel option
CONFIG_RTL8192CU). To download and build the latest driver from Realtek, extract the Linux driver file, and run “
make && sudo make install”.
Linux Driver for Kernel 2.6.18~3.9
There are no official drivers for the RTL8818EUS Wi-Fi chipset in Linux. There are some community drivers available on GitHub, but we have not found a community driver that is reliable.
Android 1.6~2.3 and 4.0 devices may or may not, at manufacturer’s discretion, include the Android driver from Realtek on their customized Android builds. We have not done any internal tests as of yet and cannot recommend this device for Android users at this time- although this may be a great option for Android developers familiar with compiling drivers into android source.
Android Driver for versions 1.6~2.3 and 4.0~4.2
For the very latest drivers, take a look at the Realtek website. This will take you to the drivers page for the Realtek RTL8188CU(S) chipset that’s at the heart of the USB-WIFINT (Realtek’s page has not been functional for sometime, retained for historical purposes).