Download and install Realtek Semiconductor Corp. Realtek 8812BU Wireless LAN 802.11ac USB NIC driver

Realtek 8812BU Wireless LAN 802.11ac USB NIC is a Network Adapters hardware device. This Windows driver was developed by Realtek Semiconductor Corp.. The hardware id of this driver is USB/VID_0BDA&PID_B81A; this string has to match your hardware.

1. Realtek Semiconductor Corp. Realtek 8812BU Wireless LAN 802.11ac USB NIC - install the driver manually

1. Download the driver setup file for Realtek Semiconductor Corp. Realtek 8812BU Wireless LAN 802.11ac USB NIC driver from the location below. This is the download link for the driver version 1030.27.0320.2018 released on 2018-03-30.
2.  
3. Run the driver installation file from a Windows account with administrative rights. If your UAC (User Access Control) is running then you will have to accept of the driver and run the setup with administrative rights.
4.  
5. Follow the driver installation wizard, which should be pretty easy to follow. The driver installation wizard will scan your PC for compatible devices and will install the driver.
6.  
7. Shutdown and restart your PC and enjoy the updated driver, it is as simple as that.
8.  

This driver is digitally signed by the manufacturer.
File size of the driver: 3205348 bytes (3.06 MB)
This driver received an average rating of 4.1 stars out of 97785 votes.
This driver will work for the following versions of Windows:

• This driver works on Windows 10 64 bits
• This driver works on Windows 11 64 bits

2. Installing the Realtek Semiconductor Corp. Realtek 8812BU Wireless LAN 802.11ac USB NIC driver using DriverMax: the easy way

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 easy can you install a driver with DriverMax? Let's follow a few steps!

1. Open 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.
2.  
3. Take a look at the list of driver updates. Scroll the list down until you locate the Realtek Semiconductor Corp. Realtek 8812BU Wireless LAN 802.11ac USB NIC driver. Click on Update.
4.  
5. That's it, you installed your first driver!
6.