Windows 10 includes two management tools which have most of its options and settings. The classic Control Panel is one of them and the other one is the modern Settings app. In Windows 10 Build 16251, Settings is updated with Fluent Design.
Fluent Design is Windows 10's upcoming UI, previously known by its code name "Project NEON". It is a new design language which is focused on simplicity and consistency along with cool animations. It also adds Windows 7’s Aero Glass-like effects to the Universal app frame and controls.
Key aspects of the Microsoft Fluent Design System are as follows.
Material: A graphical solution which emulates the "sensory and invigorating" feel of the materials that things around us are made of.
Motion: A set of animations which give an idea on how to interact with new UI elements like an app menu opening or drawing the user's attention to controls and flyouts which appear on the screen.
Light: Soft highlights of important buttons and features to draw the user's attention.
Depth: Transition animations which make an impression of opening the next level or layer of data presented by the app.
The Fluent Design is applied to the front page of Settings only. The following animation shows its effects in action:
More bits of Fluent Design are expected in Settings in upcoming releases of Windows 10.