Abstract: A window with a removable fixed window sash which comprises a window frame including opposed, spaced-apart top, bottom and side frame members. A window sash is positioned removably in the window frame. Top, bottom and side retainer members are mounted, respectively, on the top, bottom and side frame members. At least two of the top, bottom and side retainer members are removably positioned in the window frame in non-attached contact with the window sash to retain the window sash in the window frame means. At least one of the top, bottom and side members is attached to a respective top, bottom and frame member to retain the window sash in the window frame means. The attached member is removed when removal of the window sash is desired.