Win8.1 how to set the background of the "Start" screen

Knowledge point analysis:
Win8.1 is an upgraded version of Win8, you can also set the background pattern and color according to your preferences, but there are certain changes compared to Win8 .
Operating steps:
1. On the “Start” screen, use the mouse to move to the upper right corner of the screen and select “Set”;

2. Click “Set” , select “Personalization>;

3. You can see that there are three pieces, the first one is “Background Pattern” and you can change it according to your own preferences; the second one is “Background Color” ;, you can change the color of the background; the third block is "background pattern color", as this picture is a small fish pattern, you can set the color of the small fish. ;