Windows are the opening in walls of the building or roofs of the building. They allow proper inflow of light and air to an enclosure. Be it a residential or commercial space, and any type of building, they allow proper inflow of light and ventilation into the building. They provide a proper connection with the outdoors, and enhance the overall ambience of the building. The windows should always provide a tight seal for better insulation and weather resistance. The perfect window design should maintain a harmonious balance between aesthetic appeal and functionality elements.Both the exterior of the building and the interior of the building are considered for the designing purpose. Both are important for enhancing the overall appearance of the building The designs offering excellent ventilation, energy efficiency, and unobstructed views, makes them a great choice for the buildings.