You can click any part of the titlebar except the buttons at either end to begin the drag action. The window moves on the screen as you drag the mouse. On some computers, the movement of the window might be represented by moving an outline of its frame.
You can also perform one of the following actions to move a window:
Choose Move from the Window menu.
Press Alt+F7, and then either move the mouse or press the keyboard arrow keys to move the window.
Press and hold Alt and drag any part of the window.
Press and hold Shift while you move the window between the corners of the desktop and other windows.