Once you have your perfect image, Windows doesn't always "span" it by default. Follow these steps to ensure it looks right:
: A massive repository categorized by theme, including a dedicated astronomy section for spans. 3200x1200 Space: Dual Multi Screen Monitor Back...
: While not always pre-cropped, these high-resolution images from photographers and NASA provide the raw quality needed for a 3200px wide crop. Once you have your perfect image, Windows doesn't
: Under "Choose a fit for your desktop image," select Span . This stretches the image across both monitors rather than repeating it on each. Once you have your perfect image