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 hardware device. The developer of this driver was Realtek Semiconductor Corp.. The hardware id of this driver is USB/VID_0BDA&PID_C820&MI_02; this string has to match your hardware.

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

1. Download the driver setup file for Realtek Semiconductor Corp. Realtek 8821CU Wireless LAN 802.11ac USB NIC driver from the link below. This download link is for the driver version 1030.44.1015.2021 released on 2022-07-15.
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3. Run the driver installation file from a Windows account with administrative rights. If your UAC (User Access Control) is started then you will have to accept of the driver and run the setup with administrative rights.
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5. Follow the driver installation wizard, which should be quite straightforward. The driver installation wizard will analyze your PC for compatible devices and will install the driver.
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7. Restart your computer and enjoy the updated driver, as you can see it was quite smple.
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This driver is not digitally signed.

This driver was installed by many users and received an average rating of 4 stars out of 30025 votes.

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

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. How can you install a driver with DriverMax? Let's take a look!

1. Start 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 computer.
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3. Take a look at the list of available driver updates. Search the list 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. Enjoy using the updated driver! :)
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