macOS 14 Developer beta is available for installation and this makes the new macOS Sonoma wallpaper accessible for Mac and non-Mac users. It comes in two options Light and Dark and you can download it right now!
macOS Sonoma Wallpaper Download
Light and Dark themes switch automatically based on the system’s time when the background is used with macOS. Using the images with another OS or device, requires you to manually switch between the two themes:
macOS Sonoma Wallpaper Light
macOS Sonoma Wallpaper Dark
Credits: Thanks iSoftwareUpdates for sharing them.
More: You can experience the new wallpaper live on your own Mac by installing the macOS 14 beta as instructed here.