Intel® PROSet/Wireless Software and Drivers for Windows 8.1*



This download record installs Intel® PROSet/Wireless WiFi Software 21.40.5 including driver for Windows 8.1*. Driver version may differ depending on the wireless adapter installed.

Available Downloads

  • Windows 8.1, 32-bit*
  • Size: 145.9 MB
  • SHA256: 96491944FE79546A5D131988C1399DECDB9689E75FFFF2D3E4B9D854C6CE0D05
  • Windows 8.1, 64-bit*
  • Size: 174.7 MB
  • SHA256: C2ABD125FAE2AF2C92E0C52BB53D9C125F3D1029E7D351C95C904ACDB8BDE8A8

Detailed Description

Important Notice:

Please be aware that driver version 21.40.5 is the last available version of the wireless driver for Windows* 8.1 Operating Systems. This software has been End of Life and no additional support will be provided to these drivers.



Intel® PROSet/Wireless WiFi Software is recommended for end users, including home users and business customers who don't need advanced IT administrator tools.

Software and drivers

Intel PROSet/Wireless WiFi Software (includes drivers):

  • WiFi_21.40.5_PROSet32_Win8.1.exe (32-bit)
  • WiFi_21.40.5_PROSet64_Win8.1.exe (64-bit)

 Intel® PROSet/Wireless WiFi Software version = 21.40.5

  • Driver version = for Windows 8.1* for 18265, 8265, 3168, 18260, 8260, 17265, 7265 (Rev. D), and 3165.

When you update the software package, it might not update the wireless adapter driver if it includes the same driver as the previous release.

Why do I see a different driver version with my Intel® Wireless 7265 Family adapters?

Some software features are not installed by default. For more information visit: Intel® PROSet/Wireless Software.

Not sure what to download?

To determine which wireless adapter is installed in your computer system:

Note: The following products support only 64-bit version of Windows 8.1.

  • Intel® Dual Band Wireless-AC 8265
  • Intel® Dual Band Wireless-AC 8260
  • Intel® Tri-Band Wireless-AC 18260
  • Intel® Tri-Band Wireless-AC 18265

How to install

  1. Download the file to a folder on your PC.
  2. Double-click on the file to launch installation.

 Looking for drivers only

  1. Visit the IT Administrator Link for Intel PROset/Wireless software and drivers for IT Admins.
  2. Go to the "download link".
  3. Search for the appropriate Operating System.
  4. Download, unzip and install the correct driver.

What's new

See the release notes for supported hardware, what is new, bug fixes, and known issues.

About Intel® drivers

The driver or software for your Intel® component might have been changed or replaced by the computer manufacturer. We recommend you work with your computer manufacturer before installing our driver so you don’t lose features or customizations.

See list of manufacturers’ Support websites.

Automatically update your drivers and software

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