The rules of thirds is a guideline which applies to the process of composing visual images such as designs, films, paintings and photographs. The guideline proposes that an image should be divided into nine equal parts which is equally spaced in horizontal lines and vertical lines. along those lines and intersections creates more tension, energy and composition within the photo.
Step 1 - First, you must select your camera to ''Auto'' option under your camera's menu, change viewfinder to live and check your camera to be sure that it has a grid.
Step 2 - make sure the subject corresponds with the lighting in that area.
Step 3 - If your taking a portrait make sure that the eyes are aligned where the two lines meet or if your doing a landscape, be sure that the subject of your image is at the crosshatch whenever possible. (like the examples below)
Step 4 - Make sure that your subject is at the intersection and crosshatch's.