Intel Thunderbolt Software Version 15.3.39.250 WHQL. - This download record provides firmware and drivers for the Thunderbolt technology. Although Intel currently holds a monopoly on Thunderbolt-capable controllers, the tech is actually available in several flavors. Supported OS: Windows 7, Windows 8, Windows 8.1, Windows 10 - 32/64 bits.

DriverVer=10/28/2015,15.3.39.1

Supported Operating Systems
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  Windows* 7   32-bit
  Windows* 7   64-bit
  Windows* 8.1 64-bit
  Windows* 10  64-bit

 
Supported Thunderbolt Controllers
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  L4000 Series                     (Tested with NVM rev 30)
  L5000 Series                     (Tested with NVM rev 28)
  L5110 Series                     (Tested with NVM rev 9)
  L6000 Series                     (Tested with NVM rev 10)
 
 Changes:

Version 15.3.39.250
  - Optimization in Firmware update flow to speed-up the NVM flashing process
  - System Tray application reports software & firmware component versions in the Details form
  - Updated SDK sample to add support for Power Delivery firmware version
  - General improvements and bug fixes

Intel Thunderbolt Controller drivers 15.2.35.250 WHQL