How to change the lock screen background image of win8 system?

1. Under the Metro interface, drag the mouse to the lower right corner of the screen, and the floating interface of the floating Charms Bar will open.

2. Click the “Set” button.

3. In the following interface, select the “Change PC Settings” button.

4, in the following interface, under the "Lock screen" option, you can see the current lock screen background image (large picture), the other red background provides other background pictures, you can directly replace it by clicking .

5. If you want to use your own personal image, click the “Browse” button as shown below.

6. If there are pre-images stored in the “pictures” folder of the computer, you can display them. If you can't click the “Files” icon, browse the pictures in other places on the computer.