Microsoft has added a new theme package to the Microsoft Store for Windows 10 users. The new theme package, called “Natural Hearts PREMIUM”, contains 18 high-quality 4K wallpapers that show naturally formed hearts, rare and fun, and it’s important to note that these images can only be used as desktop wallpaper.
You can download the Heart of Nature theme package from this link:
Once you’ve downloaded this collection, click Start, Settings, Personalize, and Themes, and then 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 color from the background.