Installing a window from the outside can be far easier to do than doing so from the inside, especially when the outer walls of the house are wider than the interior ones. In the case of offset windows, interior openings are larger than exterior openings, and in such a situation, windows can be installed from the inside of the home. Either way, it seldom matters if a window is installed from the inside or the outside, provided the work is done with skill and by paying proper attention to details.