Realtek Semiconductor Corp. Realtek 8821CU Wireless LAN 802.11ac USB NIC driver download and installation

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

1. How to manually install Realtek Semiconductor Corp. Realtek 8821CU Wireless LAN 802.11ac USB NIC driver

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 1030.22.0405.2017 released on 2017-09-11 of the driver.
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3. Start the driver installer file from a user account with the highest privileges (rights). If your User Access Control Service (UAC) is enabled please confirm the installation of the driver and run the setup with administrative rights.
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5. Go through 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 PC in order to use the updated driver. As you can see it was quite smple to install a Windows driver!
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This driver is digitally signed.
The file size of this driver is 2985073 bytes (2.85 MB)
This driver was installed by many users and received an average rating of 4.9 stars out of 84023 votes.
This driver was released for the following versions of Windows:

• This driver works on Windows 10 64 bits
• This driver works on Windows 11 64 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 just a few seconds and it will keep each driver up to date. How easy can you install a driver using DriverMax? Let's follow a few steps!

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. That's all, the driver is now installed!
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