Download and install Realtek Semiconductor Corp. Realtek 8821BU Wireless LAN 802.11ac USB NIC driver

Realtek 8821BU 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_B82B.

1. Install Realtek Semiconductor Corp. Realtek 8821BU Wireless LAN 802.11ac USB NIC driver 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 download link is for the driver version 1027.4.0630.2015 dated 2020-03-09.
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3. Run the driver setup file from a Windows account with the highest privileges (rights). If your UAC (User Access Control) is running then you will have to confirm the installation of the driver and run the setup with administrative rights.
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5. Go through the driver installation wizard, which should be quite easy to follow. The driver installation wizard will analyze your PC for compatible devices and will install the driver.
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7. Shutdown and restart your PC and enjoy the updated driver, as you can see it was quite smple.
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Realtek Semiconductor Corp. applied a digital signature to this driver.
Size of this driver: 2349798 bytes (2.24 MB)
This driver received an average rating of 4.1 stars out of 19091 votes.
This driver is compatible with the following versions of Windows:

• 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. Using 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 install the driver for you in just a few seconds and it will keep each driver up to date, not just this one. How can you install a driver using DriverMax? Let's follow a few steps!

1. Start DriverMax and push on the yellow button named ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to scan and analyze each driver on your PC.
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3. Take a look at the list of driver updates. Search the list until you locate 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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