You could have downloaded Power Windows 2.4 for Mac from our application library for free. The application relates to Theming Tools.
From the developer:
PowerWindows lets you drag the entire contents of a window instead of just the dotted outline that the MacOS normally allows you to drag.
You may want to check out more Mac applications, such as Chaikin Power Tools, RDP - Remote Desktop for Windows or Pow Pow's Puzzle Attack, which might be related to Power Windows.
Windows Phone