A Wind Braking Arm is used in aluminium and upvc casement window. This type of bracing is utilized when an opening such as a garage door, window, or walk door must be in a bay where wind bracing is required by engineering standard. The utility model discloses a multi function window hinge, belonging to the technical field of architectural hardware. The main arm is crossed by a smaller secondary arm at a hinged center point. The Wind Braking Arm is very useful.