Installation steps Step 1. Determine the fixed position and height of the IQBoard according to the actual use of the site. Step 2. Determine the installation height of the bottom L-type Brackets according to the location of IQBoard on the wall. Then determine the installation height of the upper L-type Brackets according to the size of your IQBoard. Make sure when you pull up the upper brackets, IQBoard can be taken out; and when you pull them down, IQBoard frame can be clasped. Two upper/bottom brackets should be on the same height level. You will need 2 screws for each of bottom Brackets, and 1 screw for each of the upper ones. To determine the position of brackets, take an 82” IQBoard for e.g. as below: