How the MAC system replaces wallpaper

The first step: Right-click on the desktop, and then choose to change the desktop background, as shown in the following figure.

Step Two: Select the desktop background below the directory that is already included in the system, which is the wallpaper you see.

The third step: You can also choose the way to fill the screen, which is similar to Windows.

Step Fourth: Increase your own directory of wallpaper. Click the following steps to add a directory to see your wallpaper, and then select the wallpaper you added, the desktop background will be updated immediately.

　　Mac Replacement system default wallpaper:

1. Open the top Finder menu bar on the desktop,-[go to]-dropdown select-[go to Folder]

Of course, you can also open the Finder and press "Command + Shift + G" directly.

2. Copy "/library/desktop pictures/" to the empty space below the folder-click [Go]

3. See the Open Desktop Pictures this folder?

This folder contains all of the system's wallpapers, and we can replace the picture in that folder as the system's default wallpaper.

Note: Because it is a system file, when you add or remove wallpaper, you will be asked to enter the administrator password Oh.