Very simple if you know how to use a wrench.
1. Raise vehicle and remove wheel. Use a jackstand.
2. Support the control arm with a jackstand
3. Disconnect ELC air tube from shock
4. remove two lower shock bolts
5. Go inside trunk and remove the trim to gain access to remove shock upper nuts
6. Remove the cover, the two nuts and the reinforcement from the top of the shock inside the trunk
When reinstalling torque the bottom bolts to 18 ft-lbs and the top nut to 15 ft-lbs.