Microsoft has released the August 2017 firmware update for Surface Pro 3 owners. This update will be slowly available to all Surface Pro 3 devices running on Windows 10 Anniversary Update version 1607 and enables support for the new Surface Pro Type Cover and the Surface Pro Signature Type Covers.
August 24 release notes
Windows Update History Name
Device Manager Name
Surface – System – 18.104.22.168
Surface Smart Cover Backlight – System device
Surface – HID – 22.214.171.124
Surface PTP Filter – HID
Surface – Biometric – 126.96.36.199
Surface Fingerprint Sensor Driver – Biometric device
Surface – HID – 188.8.131.52
Surface Pro Type Cover Integration – HID
Surface – Keyboards – 1.1.504.0
Surface Type Cover Filter Device – Keyboards
These updates are delivered via Windows Update and are installed automatically.
However, you can manually check for updates by following the steps below.
Step 1: On your PC, go to Start, and select Settings >> Update & security >> Windows Update.
Step 2: Select Check for updates. If updates are available, they will install automatically.
Step 3: You may need to restart your Surface after the updates have installed.