Size changes the size of the active window.
To size the window:
Click the button in the upper left corner of the title bar and select Size,
Or right-click the application window title bar and select Size,
Or press ALT+SPACEBAR+S (application) or ALT+HYPHEN+S (document).
Press ARROW keys after choosing the command.
Press the ENTER key when the window is the appropriate size.
The CTRL key + ARROW keys sizes the window slowly.
The active window can be resized by dragging the gray window border with the mouse.