How do I change the wallpaper on my Mac?

Changing the wallpaper on your Mac is a great way to give your desktop a fresh look. Here is how you can change your wallpaper on a Mac:

1. Click on the Apple menu at the top left corner of your screen.
2. Select System Preferences.
3. Click on Desktop & Screen Saver.
4. Select the Desktop tab.
5. You can choose one of the Apple-provided pictures or click on the + button to add your own image.
6. Select the image you want to use as your wallpaper.
7. You can also choose how the image will be displayed on your screen using the drop-down menu under Desktop.

That's it! Your new wallpaper will be applied instantly.