This document provides steps for replacing windows and window screens. It outlines measuring the window, removing the old window by taking out screws and cutting caulking, lifting out the old window and installing the new window using shims and new screws. For screens, it describes removing the old screen and spline, installing a new spline if needed, rolling the new screen into the frame and securing it into place along the edges. It recommends hiring professionals for window replacements through provided website links.