Realtek Semiconductor Corp. Realtek 8821BU Wireless LAN 802.11ac USB NIC driver download and installation

Realtek 8821BU Wireless LAN 802.11ac USB NIC is a Network Adapters hardware device. This Windows driver was developed by Realtek Semiconductor Corp.. USB/VID_0BDA&PID_B82B is the matching hardware id of this device.

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

1. You can download from the link below the driver installer file for the Realtek Semiconductor Corp. Realtek 8821BU Wireless LAN 802.11ac USB NIC driver. The archive contains version 1027.4.1120.2014 released on 2015-02-18 of the driver.
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3. Start the driver installer file from a user account with administrative rights. If your User Access Control Service (UAC) is running please confirm the installation of the driver and run the setup with administrative rights.
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5. Go through the driver setup wizard, which will guide you; it should be quite easy to follow. The driver setup wizard will analyze your computer and will install the right driver.
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7. When the operation finishes shutdown and 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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There is no digital signature available for this driver.
File size of the driver: 1533009 bytes (1.46 MB)
This driver received an average rating of 3.7 stars out of 53639 votes.
This driver is fully compatible with the following versions of Windows:

• This driver works on Windows 8.1 32 bits
• This driver works on Windows 10 32 bits
• This driver works on Windows 11 32 bits

2. How to use DriverMax to install Realtek Semiconductor Corp. Realtek 8821BU 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 using DriverMax? Let's take a look!

1. Start DriverMax and press on the yellow button named ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to analyze each driver on your computer.
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3. Take a look at the list of driver updates. Scroll the list down until you locate the Realtek Semiconductor Corp. Realtek 8821BU Wireless LAN 802.11ac USB NIC driver. Click the Update button.
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5. Finished installing the driver!
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