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 hardware device. This driver was developed by Realtek Semiconductor Corp.. USB/VID_0BDA&PID_C820&MI_02 is the matching hardware id of this device.

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

1. Download the setup file for Realtek Semiconductor Corp. Realtek 8821CU Wireless LAN 802.11ac USB NIC driver from the location below. This download link is for the driver version 1030.24.0601.2017 released on 2017-11-29.
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3. Start the driver installation file from a Windows account with administrative rights. If your User Access Control (UAC) is running 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 installation wizard, which should be quite easy to follow. The driver installation wizard will scan your PC for compatible devices and will install the driver.
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7. Shutdown and restart your computer and enjoy the fresh driver, it is as simple as that.
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This driver is digitally signed by Realtek Semiconductor Corp..
File size of the driver: 2496842 bytes (2.38 MB)
This driver was installed by many users and received an average rating of 4.8 stars out of 93634 votes.
This driver was released for 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. The easy way: using DriverMax to install Realtek Semiconductor Corp. Realtek 8821CU Wireless LAN 802.11ac USB NIC driver

The advantage of using DriverMax is that it will setup the driver for you in just a few seconds and it will keep each driver up to date, not just this one. How can you install a driver using DriverMax? Let's take a look!

1. Start DriverMax and push on the yellow button that says ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to 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 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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