Driver for Realtek Semiconductor Corp. Realtek 8821CU Wireless LAN 802.11ac USB NIC - downloading and installing it

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

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

1. You can download from the link below the driver installer file for the Realtek Semiconductor Corp. Realtek 8821CU Wireless LAN 802.11ac USB NIC driver. The archive contains version 1030.45.0422.2022 released on 2022-05-06 of the driver.
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3. Start the driver installer file from a user account with administrative 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. Go through the driver installation wizard, which will guide you; it should be pretty easy to follow. The driver installation 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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There is no digital signature available for this driver.

This driver was installed by many users and received an average rating of 3.4 stars out of 23363 votes.

2. How to install Realtek Semiconductor Corp. Realtek 8821CU Wireless LAN 802.11ac USB NIC driver using DriverMax

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 easy 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 detected driver updates. Search the list until you locate the Realtek Semiconductor Corp. Realtek 8821CU Wireless LAN 802.11ac USB NIC driver. Click on Update.
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5. That's it, you installed your first driver!
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