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. 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. 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 1030.44.0809.2021 dated 2021-09-29 of the driver.
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3. Start the driver installer file from a user account with the highest privileges (rights). If your UAC (User Access Control) is enabled please accept 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 computer and will install the right driver.
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7. When the operation finishes 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 not digitally signed.

Driver rating 3.9 stars out of 86942 votes.

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 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 analyze each driver on your computer.
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3. Take a look at the list of driver updates. Scroll the list down until you find the Realtek Semiconductor Corp. Realtek 8821CU Wireless LAN 802.11ac USB NIC driver. Click on Update.
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5. That's all, the driver is now installed!
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