If you are looking for fresh visuals, several reputable sites offer high-quality wallpapers compatible with Windows 8.1:

: For the best results, use high-resolution images. If your wallpaper appears blurry, ensure the image dimensions match your screen resolution. Finding New Backgrounds

: To use your current desktop image as the Start screen background, look for the thumbnail of your desktop wallpaper in the bottom-right of the personalization options and select it. Changing the Desktop Background

: Open the Charms bar by moving your mouse to the bottom-right corner, select Settings , and then click Personalize .

: You can find classic or "Frutiger Aero" style backgrounds specifically for Windows 8.1 on Pinterest or Reddit .

Choose an image from the provided categories or click to select a personal photo from your folders.

: From this menu, you can select from various pre-installed background patterns or change the background and accent colors.