How to Change the Wallpaper on a Mac: A Complete Guide

Changing your Mac's wallpaper is one of the simplest ways to personalize your experience — but the steps vary slightly depending on which version of macOS you're running, whether you're managing multiple displays, or whether you want a static image, a dynamic wallpaper, or a rotating slideshow. Here's everything you need to know.

Where the Wallpaper Setting Lives (and Why It Moves Around)

Apple has shifted where wallpaper controls live across macOS versions, which is a common source of confusion.

• macOS Ventura (13) and later: Wallpaper settings live in System Settings → Wallpaper. Apple redesigned System Preferences into System Settings with a sidebar-based layout in Ventura.
• macOS Monterey (12) and earlier: Go to System Preferences → Desktop & Screen Saver, then click the Desktop tab.

Knowing which macOS version you're on is the first step. To check: click the Apple menu () → About This Mac.

How to Change Your Wallpaper on macOS Ventura or Later

1. Click the Apple menu in the top-left corner.
2. Select System Settings.
3. Click Wallpaper in the left sidebar.
4. Browse the built-in categories: Dynamic Wallpapers, Light and Dark Desktop, Desktop Pictures, Colors, and any images from your Photos library or local folders.
5. Click any thumbnail to apply it immediately.

To use a custom image:

• Scroll down to Custom Color or use the Add Photo or Add Folder option.
• You can also right-click any image in Finder and select Set Desktop Picture as a shortcut.

How to Change Your Wallpaper on macOS Monterey or Earlier

1. Click the Apple menu → System Preferences.
2. Open Desktop & Screen Saver.
3. Stay on the Desktop tab.
4. Choose from Apple's built-in categories on the left, or click the + button to add a custom folder or image.
5. Click any image to set it as your wallpaper.

The right-click shortcut in Finder works here too — right-click an image file and choose Set Desktop Picture.

Wallpaper Types: Static, Dynamic, and Rotating 🖼️

Not all wallpapers behave the same way, and the type you choose affects both appearance and system behavior.

Dynamic wallpapers use HEIC format with embedded metadata that tells macOS how to display different layers at different times. If you're importing a third-party dynamic wallpaper, it needs to be in the correct format to behave dynamically — a standard JPEG won't cycle, even if it looks similar.

Setting Different Wallpapers on Multiple Displays

If you're running dual monitors or an extended desktop, macOS lets you set a different wallpaper on each screen. The process is straightforward but easy to miss:

• In System Settings → Wallpaper (Ventura+), click on the preview for each display separately and assign a wallpaper to each one.
• In earlier macOS, the Desktop & Screen Saver panel shows each connected display as a separate desktop — click into each one to assign independently.

This also applies to multiple Spaces (virtual desktops). Each Space can have its own wallpaper if you prefer visual separation between workspaces.

Using Your Own Photos as a Wallpaper

Any image on your Mac can become a wallpaper. A few things worth knowing:

• Resolution matters. Your Mac's display resolution determines how sharp the image looks. On a Retina display, images smaller than roughly 2560×1600 pixels may appear soft or stretched. Higher-resolution photos fill Retina screens cleanly.
• Aspect ratio affects cropping. macOS offers options like Fill, Fit, Stretch, Center, and Tile when using custom images. "Fill" crops the image to cover the screen; "Fit" may leave black bars.
• JPEG, PNG, and HEIC are all supported. Very large RAW files from DSLRs will also work but may take a moment to render.

The Rotating Wallpaper Option

If you'd rather not commit to a single image, macOS lets you rotate through a folder of images automatically. In the Desktop settings:

• Select a Photos album or a local folder as your wallpaper source.
• Set how frequently it rotates: every 5 seconds, every hour, every day, or on login/wake.
• Enable random order if you want unpredictable cycling.

This works well for large photo libraries but can have a minor impact on very old hardware if the folder is large and images are high-resolution. On modern Macs, it's essentially invisible to performance. 🖥️

Variables That Affect Your Setup

The "right" wallpaper approach isn't universal — it depends on factors specific to your situation:

• macOS version determines which options and interface you're working with
• Number of displays and whether you use multiple Spaces affects how you'll manage assignments
• Display resolution (standard vs. Retina vs. external monitor) changes what image resolutions look sharp
• Whether you use Light/Dark Mode determines whether a Light & Dark wallpaper is worth selecting
• How often you want it to change shapes whether a static, dynamic, or rotating setup makes sense

Someone running a dual-monitor creative workstation on macOS Ventura has a meaningfully different configuration than someone on a older MacBook Air using a single display on Monterey. The mechanics are the same, but the best approach for each setup isn't identical — and only your own screen configuration, macOS version, and preferences can determine what actually works best for you. 🎨