For Windows 10 users, Microsoft once again offers a new theme wallpaper package through the Microsoft Store. The new wallpaper package, called River Delta PREMIUM, contains 10 high-quality 4K wallpapers, and its application description reads: “In these 10 high-quality 4K wallpapers, you can have a bird’s eye view of the waterway sings in a variety of shapes and colors. This wallpaper pack is limited to Windows 10 desktops for free. “
After downloading the wallpaper pack, go to The Start settings, personalization, and click the theme you want. To apply based on the current wallpaper and change to the most appropriate color, go to Custom, Color, auto-select the original color from the background.