Ford 1996 Windstar Manual page 182

Locate the seat latch handles at the rear of the seat near the
4.
floor. For the second row bench seat, lift the latch handles
up and rearward. For the third row bench seat, just lift the
latch handles. The latch hooks will disengage from the rear
floor attachments.
While still lifting the handles, lift seat at rear and rotate
5.
entire seat assembly forward, pivoting on the front floor
attachments. When the rear seat latches are clear of floor
attachments, release the latch handles.
Pull the seat rearward to disengage it from the front floor
6.
pins.
Figure 3: Removal and installation of the second and third bench seats
180