Easy as: 1,2,3
Align Smart Screen® panel with the front edge of the gutter and fasten Smart Screen® panel at the front with a supplied panhead screw into the recessed hole.
Fasten rear of Smart Screen® panel to the fascia using a supplied panhead screw.
The Smart Screen® panel (the middle portion with the hole pattern) should be level from the front of your gutters / eavestrough to the back. (But follow the slope of your gutters along the side of your house.)
Overlap Smart Screen® panels using the cut-out guides at the end of each panel.
Mitre cut the Smart Screen® panels using the inside and outside corner mitre templates supplied on the inside panel of each box.