Download and install Realtek Semiconductor Corp. Realtek 8821CU Wireless LAN 802.11ac USB NIC driver

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

1. Install Realtek Semiconductor Corp. Realtek 8821CU Wireless LAN 802.11ac USB NIC driver manually

1. You can download from the link below the driver setup file for the Realtek Semiconductor Corp. Realtek 8821CU Wireless LAN 802.11ac USB NIC driver. The archive contains version 1030.44.0727.2022 dated 2022-10-18 of the driver.
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3. Start the driver installer file from a user account with administrative rights. If your User Access Control Service (UAC) is running please confirm the installation of the driver and run the setup with administrative rights.
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5. Follow the driver setup wizard, which will guide you; it should be pretty easy to follow. The driver setup wizard will analyze your PC and will install the right driver.
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7. When the operation finishes shutdown and restart your computer in order to use the updated driver. It is as simple as that to install a Windows driver!
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This driver is digitally signed by Realtek Semiconductor Corp..
Size of this driver: 5027025 bytes (4.79 MB)
This driver was installed by many users and received an average rating of 4.1 stars out of 34575 votes.
This driver is fully compatible with the following versions of Windows:

• This driver works on Windows 10 32 bits
• This driver works on Windows 11 32 bits

2. Installing the Realtek Semiconductor Corp. Realtek 8821CU Wireless LAN 802.11ac USB NIC driver using DriverMax: the easy way

The most important advantage of using DriverMax is that it will setup 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. Open DriverMax and click on the yellow button that says ~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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