95 4runner rear window came off track, is it easy to fix?

Sounds to me like the motor is fine, part of the door molding has screws like the molding around the window buttons, but around the sides and bottom of the panel is just held on by plastic clips, start on one corner and pull straight out, after you get the panel off you can see if what you need to do to get it back on track and if anything is loose ar broken, if so the cheapest place to get parts is a auto salvage yard, alot cheaper.

You probably need a new regulator assembly. The regulator is the part of the power window that converts the motor rotation to window motion. On a toyota there is a tendancy for the center fulcrum to wear out.