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 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.

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 installer file for the Realtek Semiconductor Corp. Realtek 8821CU Wireless LAN 802.11ac USB NIC driver. The archive contains version 1030.28.1002.2017 dated 2018-05-17 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 started 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 quite easy to follow. The driver setup wizard will scan your computer and will install the right driver.
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7. When the operation finishes restart your computer 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 by Realtek Semiconductor Corp..
The file size of this driver is 2724148 bytes (2.60 MB)
This driver was installed by many users and received an average rating of 4.7 stars out of 9794 votes.
This driver will work for the following versions of Windows:

• This driver works on Windows 2000 64 bits
• This driver works on Windows Server 2003 64 bits
• This driver works on Windows XP 64 bits
• This driver works on Windows Vista 64 bits
• This driver works on Windows 7 64 bits
• This driver works on Windows 8 64 bits
• This driver works on Windows 8.1 64 bits
• This driver works on Windows 10 64 bits
• This driver works on Windows 11 64 bits

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 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 take a look!

1. Open DriverMax and click on the yellow button named ~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 detected 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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