Abstract: An easily removable, changeable and replaceable window for application on train carriages, passenger buses and other transport vehicles that consists of an assembly formed by a removable window frame and the corresponding rim thereof fixed on the chassis of the vehicle, said assembly being provided with a closing and opening device that may be actuated both from the inside and the outside, and therefore, enabling a glazed window to be released for safety reasons or to be released and changed for maintenance reasons, without losing time or functionality.