This update enables the Power Slider feature that improves both battery life and the adaptive brightness feature.
How to get this update
This update will be downloaded and installed automatically. It will be listed in the Windows Update history as follows:
Microsoft driver update for Surface Integration
There are no prerequisites for installing this update.
You have to restart the computer after you apply this update.
Update replacement information
This update doesn't replace a previously released update.
Surface Integration – System device (1.1.333.0)