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Realtek Semiconductor Corp. Realtek RTL8821AU Wireless LAN 802.11ac USB 2.0 Network Adapter driver download and installation


Realtek RTL8821AU Wireless LAN 802.11ac USB 2.0 Network Adapter is a Network Adapters hardware device. The developer of this driver was Realtek Semiconductor Corp.. The hardware id of this driver is USB/VID_0BDA&PID_0821; this string has to match your hardware.

1. Manually install Realtek Semiconductor Corp. Realtek RTL8821AU Wireless LAN 802.11ac USB 2.0 Network Adapter driver


  1. You can download from the link below the driver installer file for the Realtek Semiconductor Corp. Realtek RTL8821AU Wireless LAN 802.11ac USB 2.0 Network Adapter driver. The archive contains version 1023.5.0116.2013 released on 2013-01-25 of the driver.
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  3. Start the driver installer file from a user account with administrative rights. If your UAC (User Access Control) is started please accept 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 scan your computer and will install the right driver.
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  7. When the operation finishes shutdown and restart your PC in order to use the updated driver. As you can see it was quite smple to install a Windows driver!
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This driver is digitally signed by Realtek Semiconductor Corp..
Driver file size: 1081742 bytes (1.03 MB)
Driver rating 4.9 stars out of 22553 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 RTL8821AU Wireless LAN 802.11ac USB 2.0 Network Adapter 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, not just this one. How can you install a driver using DriverMax? Let's see!

  1. Open DriverMax and click 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. Search the list until you locate the Realtek Semiconductor Corp. Realtek RTL8821AU Wireless LAN 802.11ac USB 2.0 Network Adapter driver. Click on Update.
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  5. Enjoy using the updated driver! :)
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Drivers