Under select Span from the dropdown menu. macOS Open System Settings and go to Wallpaper .

How to Make MacBook Wallpaper Go Across Monitors - Mobile Pixels

For specific resolutions and curated collections, these platforms are highly regarded:

g., cyberpunk, nature, or abstract) for your 2304x864 wallpaper?

Once you have your image, follow these steps to ensure it spans correctly: Right-click on your desktop and select Personalize .

To have a single image span across displays, you may need to disable the option in Desktop & Dock settings and then use a third-party app or specifically sized slices for each monitor.

: Provides high-resolution, artistic photography that works well for spanning. Many images are 4K or higher, which you can crop to your 2304x864 requirement.

: Similar to Unsplash, this offers free stock photos with landscapes and abstract designs that are often wide enough for dual monitors.