How do you fit side steps to a landrover discovery?

First, fit the four brackets with the 13mm and 17mm spanner. The holes are already pre-drilled and threaded. Tighten the brackets to the vehicle but do not fully tighten them. Fit the outer bolts and place the side steps into positions. Push them against the body and adjust them for the best fit, then tighten all the nuts and bolts fully.