Unlike Win8, Windows 10 has introduced a new window shadow effect.

Windows 10 Technology Preview is believed to have been used by many people. The Windows 10 desktop has a lot of interface adjustments. Some are very subtle, maybe you have no Found, for example, the shadow effect of the file manager. Windows 10 starts to look different than Windows 8's file manager window. In addition to the new buttons, it has a very subtle visual change, which is the shadow effect. As shown in the figure below, Figure 1 shows the shadow of the selected window, and Figure 2 shows the unselected window.
Figure 1
Figure 2

This kind of shadow is very inconspicuous, but if you look closely, you will notice the visual effect that Windows 8 does not have. In Windows 10, once you notice it, it's hard to ignore it. If you haven't found it yet, it's very simple. You can compare it by selecting a window on the desktop and then unchecking it.

The shadow effect of Windows 10 will appear a dark circle around the window, making the window appear to protrude above the desktop.

Did you find the Windows 10 window shadow effect?