: Right-click your desktop and select Personalize > Background . You can then browse for your downloaded 4K image.
: When editing, ensure you use a 16:9 aspect ratio to avoid black bars or stretching. Troubleshooting Quality Issues 3840x2160 4K Wallpaper">
: You can use Kapwing or FlexClip to resize and edit your personal photos to fit the exact 3840x2160 dimensions. : Right-click your desktop and select Personalize >