To change your current theme:
Click Start > Settings > Personalization > Themes. Under "Change theme", click the tile to switch to the theme you'd like to use.
Note: You can also add a wide variety of new, great looking themes from the Microsoft Store by clicking Get more themes in Microsoft Store, or by downloading featured themes from our website.
To delete a theme:
Click Start > Settings > Personalization > Themes. Right-click (or press and hold) the theme's tile, and select Delete.
Note: You cannot delete the currently active theme. If you want to delete the currently active theme, first select another theme to use. The Settings app will also not allow you to delete default themes.
