Count how many turns you unscrewed the old tie rod end, spin the new tie rod end on the same number of turns. Only loosen the outer clamp nut on the tie rod adjuster, not the inner nut. Keeps the adjuster from spinning too. Use an adjustable wrench on the flat spot of the tie rod outer to spin it, use a small pry bar or big screwdriver in the adjuster slot to counter the force of trying to spin the tie rod outer loose.
I just did a tie rod outer on my F-250 yesterday. It was too dangerously loose to continue driving on it. Once I got the tie rod stud loose from the knuckle, the stud pulled out of the tie rod socket by hand :shocked Wayyy too close to failure.