How does the windows 10 preview system adjust the computer color?

Under normal circumstances, some windows of the computer default color is white, usually look tired for a long time. How to adjust the color? please look below.

1. Right click on the bottom left corner of the desktop and click on “Run(R)”. Or win+R shortcut key to open the running window.

2, enter “regedit”, click the “OK” button.

3, enter the registry editor, as shown below.

4, click “HKEY_CURRENT_USER", then click “Control Panel“, click in the drop-down list >quo;Colors“

5, in Find ”window“ in the right panel and double click on it.

6. In the "Edit String" window, change the digital data to 255; Br>

7, finally restart the computer is complete.