With the advent of man and the formation of shelter and housing, humans have always sought solutions to use sunlight and airflow in the environment. Today, windows are one of the main and inseparable components as well as the main source of light and air inside the building. Windows are used in all structures and buildings, but if not selected properly, they can have a negative impact on the use of the entire building. Window model, appearance, size, structure and function of the window have a great impact on beautifying the space. Today, the high variety of window models leaves you free to choose. But this great variety may seem a little confusing in some cases and make the choice difficult. In this article, we will introduce some types of windows and the specifications of each so that you can more easily select the window you want.