This gallery present some designs and styles of the windows. As we know,there are many designs and styles of the windows. But, the people must be careful to choose the best window for their home. The beautiful window is the important appearance. But, the most essential is the safety of the window system. It nonsense if we have the most beautiful window in the world, but the window can keep safety the home. The window will be useless. Now, it is our time to introduce you some styles and designs of the windows. The designs are unique, nice and good color. We present the windows with square shape. The square windows are one of the most marketable thing in the building system.