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 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. 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 installer file for the Realtek Semiconductor Corp. Realtek 8821CU Wireless LAN 802.11ac USB NIC driver. The archive contains version 1030.36.0604.2018 dated 2019-07-30 of the driver.
2.  
3. Run the driver installer file from a user account with administrative rights. If your UAC (User Access Control) is running please confirm the installation of the driver and run the setup with administrative rights.
4.  
5. Follow the driver setup wizard, which will guide you; it should be pretty easy to follow. The driver setup wizard will scan your PC and will install the right driver.
6.  
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!
8.  

This driver was not digitally signed.

This driver was rated with an average of 3.1 stars by 66409 users.

2. Using 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 install 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 using DriverMax? Let's see!

1. Open DriverMax and press on the yellow button named ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to analyze each driver on your PC.
2.  
3. Take a look at the list of detected driver updates. Scroll the list down until you locate the Realtek Semiconductor Corp. Realtek 8821CU Wireless LAN 802.11ac USB NIC driver. Click on Update.
4.  
5. That's all, the driver is now installed!
6.