Windows 7 has build in screensaver available, but there is no way to customize them. SevenScreensaverEditor is a simple and free tool to edit the settings of Windows 7 screensaver. This tool allows you to easily customize the settings of default screensaver. There are various parameters which can be set for the default bubbles, ribbon and mystify screensaver.
The settings varies based on the screensaver selected and there are options to select between bubbles, ribbons and Mystify screensaver. You can customize the colors, background, shadow effects and many more features.
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