Realtek Semiconductor Corp. Realtek 8821BU Wireless LAN 802.11ac USB NIC how to download and install the driver

Realtek 8821BU Wireless LAN 802.11ac USB NIC is a Network Adapters device. The developer of this driver was Realtek Semiconductor Corp.. The hardware id of this driver is USB/VID_0BDA&PID_B82B; this string has to match your hardware.

1. Realtek Semiconductor Corp. Realtek 8821BU Wireless LAN 802.11ac USB NIC driver - how to install it manually

1. Download the driver setup file for Realtek Semiconductor Corp. Realtek 8821BU Wireless LAN 802.11ac USB NIC driver from the link below. This is the download link for the driver version 1027.2.1001.2014 dated 2014-11-27.
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3. Start the driver installation file from a Windows account with administrative rights. If your User Access Control (UAC) 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 pretty straightforward. The driver installation wizard will analyze your PC for compatible devices and will install the driver.
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7. Restart your PC and enjoy the fresh driver, it is as simple as that.
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Realtek Semiconductor Corp. applied a digital signature to this driver.
The file size of this driver is 1659380 bytes (1.58 MB)
Driver rating 4.4 stars out of 53258 votes.
This driver will work for the following versions of Windows:

• 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 8821BU Wireless LAN 802.11ac USB NIC driver

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. How can you install a driver using 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.
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3. Take a look at the list of available driver updates. Scroll the list down until you find the Realtek Semiconductor Corp. Realtek 8821BU Wireless LAN 802.11ac USB NIC driver. Click on Update.
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5. Enjoy using the updated driver! :)
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