In previous versions of Windows, if you wanted to have two documents open side-by-side on the desktop then you had to laboriously resize each window pixel-by-pixel using the mouse. With Windows 7, this can be done much more easily by dragging a window’s title bar to the left or right edge of the screen.
(For a full guide to Windows 7, order the Essential Windows 7 Handbook 4th Edition, on sale now from newsagents and online.)

