Abstract: A window frame for positioning in a fence. The window frame includes a first frame having a first side, a second side, an outer perimeter edge, and an inner perimeter edge. A shoulder is integrally coupled to and extends away from the outer perimeter edge. The second side has a plurality of slots extending therein. The first frame has a shape substantially identical to the opening in the fence. A screen member is securely attached to the inner perimeter edge such that the screen member extends across the first frame. A plurality of fastening means removably fastens the first frame to the fence wall. A second frame has an inside surface and an outside surface. The inside surface is adapted to cover the second side of the first frame and has a plurality of protruding members thereon, each positioned to be removably extended into one of the slots.