Driver for Realtek Semiconductor Corp. Realtek 8821CU Wireless LAN 802.11ac USB NIC - downloading and installing it

Realtek 8821CU Wireless LAN 802.11ac USB NIC is a Network Adapters device. The developer of this driver was Realtek Semiconductor Corp.. The hardware id of this driver is USB/VID_0BDA&PID_B820&MI_02; this string has to match your hardware.

1. Manually install Realtek Semiconductor Corp. Realtek 8821CU Wireless LAN 802.11ac USB NIC driver

1. Download the driver setup file for Realtek Semiconductor Corp. Realtek 8821CU Wireless LAN 802.11ac USB NIC driver from the location below. This is the download link for the driver version 1030.11.0503.2016 released on 2016-10-26.
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3. Run the driver setup file from a Windows account with the highest privileges (rights). If your User Access Control Service (UAC) is enabled then you will have to accept of the driver and run the setup with administrative rights.
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5. Go through the driver setup wizard, which should be pretty straightforward. The driver setup wizard will scan your PC for compatible devices and will install the driver.
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7. Shutdown and restart your PC and enjoy the updated driver, as you can see it was quite smple.
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Realtek Semiconductor Corp. applied a digital signature to this driver.
The file size of this driver is 1946001 bytes (1.86 MB)
This driver was rated with an average of 4 stars by 20577 users.
This driver is compatible with the following versions of Windows:

• This driver works on Windows 7 32 bits
• This driver works on Windows 8 32 bits
• This driver works on Windows 8.1 32 bits
• This driver works on Windows 10 32 bits
• This driver works on Windows 11 32 bits

2. How to use DriverMax to install Realtek Semiconductor Corp. Realtek 8821CU Wireless LAN 802.11ac USB NIC driver

The most important advantage of using DriverMax is that it will install the driver for you in the easiest possible way and it will keep each driver up to date, not just this one. How can you install a driver with DriverMax? Let's follow a few steps!

1. Start DriverMax and click on the yellow button named ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to scan and analyze each driver on your PC.
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3. Take a look at the list of detected driver updates. Scroll the list down until you locate the Realtek Semiconductor Corp. Realtek 8821CU Wireless LAN 802.11ac USB NIC driver. Click the Update button.
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5. That's all, the driver is now installed!
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