Realtek Semiconductor Corp. Realtek 8821CU Wireless LAN 802.11ac USB NIC - two ways of downloading and installing the driver

Realtek 8821CU Wireless LAN 802.11ac USB NIC is a Network Adapters device. The Windows version of this driver was developed by Realtek Semiconductor Corp.. The hardware id of this driver is USB/VID_0BDA&PID_C820&MI_02.

1. How to 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 link below. This is the download link for the driver version 1030.23.0502.2017 released on 2017-09-21.
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3. Run the driver setup file from a Windows account with the highest privileges (rights). If your UAC (User Access Control) is started then you will have to confirm the installation of the driver and run the setup with administrative rights.
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5. Follow the driver setup wizard, which should be quite straightforward. The driver setup wizard will analyze your PC for compatible devices and will install the driver.
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7. Shutdown and restart your PC and enjoy the fresh driver, as you can see it was quite smple.
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This driver is digitally signed by Realtek Semiconductor Corp..
Driver file size: 2990095 bytes (2.85 MB)
This driver was installed by many users and received an average rating of 4.9 stars out of 26985 votes.
This driver is fully compatible with the following versions of Windows:

• This driver works on Windows 10 64 bits
• This driver works on Windows 11 64 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 easy can you install a driver with DriverMax? Let's take a look!

1. Open DriverMax and push on the yellow button named ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to analyze each driver on your computer.
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3. Take a look at the list of driver updates. Search the list until you find the Realtek Semiconductor Corp. Realtek 8821CU Wireless LAN 802.11ac USB NIC driver. Click the Update button.
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5. Finished installing the driver!
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