Fish Theme is a nine wallpaper theme containing various underwater fish. They are all high-resolution wallpapers. Allow your machine to display them via a slideshow or manually change them yourself. Fish Theme comes with nice images and uses teal color. No sounds are included. The mouse cursor defaults to Windows Aero when applicable. Double-click on Fish.themepack to apply the theme. Similar: How to View and Remove All Windows 10 & 11 Themes How to Delete the Desktop Wallpaper History in Windows 10 & 11 How to Disable Transparency Effects in Windows 10 & 11