Easily switch from light to dark theme, or the other way around, in Windows 10.
This application displays an icon in your system tray. Just click the icon to change Windows theme.
Go to the Releases page to download the installer.
Click the icon once to switch from light to dark, or from dark to light.
Right-click the icon to open the menu.
Set your preferences.
It updates the AppsUseLightTheme and SystemUsesLightTheme values under the HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize registry key. Windows changes the same values when you change colors under Settings > Personalization.