"I always get the linkage and latch mechanism working first."-- Bax
THEN
Lower the big window in first through the long opening. Make sure the lower bumper stop is removed so it lowers all the way to the bottom.
Then put in the wing window and wing window frame.
Then the upper window seal that goes about the main window glass.
Then the rear window track.
Now raise the big window glass and raise it all the way up in the track, and then hold it up there somehow with tape or a stick or whaever.
Now put in the forward inside window track.
Now put in the window regulator and lower the glass down and connect the window roller on the regulator arm.
Now lower it all the way down and put in the lower window glass seals.
Now raise it back up and install the bottom bumper stop.