Download and install BUFFALO INC. BUFFALO WI-U3-866D Wireless LAN Adapter driver

BUFFALO WI-U3-866D Wireless LAN Adapter is a Network Adapters hardware device. This Windows driver was developed by BUFFALO INC.. The hardware id of this driver is USB/VID_0411&PID_025D.

1. Manually install BUFFALO INC. BUFFALO WI-U3-866D Wireless LAN Adapter driver

1. Download the driver setup file for BUFFALO INC. BUFFALO WI-U3-866D Wireless LAN Adapter driver from the link below. This download link is for the driver version 1027.0.0611.2014 dated 2014-09-01.
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3. Start the driver installation file from a Windows account with administrative rights. If your User Access Control Service (UAC) 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 pretty straightforward. The driver installation wizard will scan your PC for compatible devices and will install the driver.
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7. Shutdown and restart your PC and enjoy the fresh driver, as you can see it was quite smple.
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This driver is not digitally signed.
File size of the driver: 1445960 bytes (1.38 MB)
Driver rating 3.1 stars out of 9377 votes.
This driver is 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. The easy way: using DriverMax to install BUFFALO INC. BUFFALO WI-U3-866D Wireless LAN Adapter 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 easy can you install a driver with DriverMax? Let's follow a few steps!

1. Start DriverMax and push on the yellow button that says ~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. Scroll the list down until you locate the BUFFALO INC. BUFFALO WI-U3-866D Wireless LAN Adapter driver. Click on Update.
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5. Finished installing the driver!
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