: This is the official pastel-colored variant. You can find it in various resolutions, including the 1366x768 crop, at WallpapersDen and 4KWallpapers .
: Peakpx offers a variety of stylized and dark-themed Windows 11 SE "Bloom" designs.
: For the classic Windows 11 look, the blue version is available for direct download at WallpaperFlare.
Here are some high-quality sources for the wallpaper. These include the signature colorful pastel version specifically designed for SE, as well as the standard blue editions available in your requested 1366x768 resolution.