Keep the shade above the window frame and mark the window frame top 4 to 5 inches on the inner side along the length of the end of the pleated shades. This is the location where you keep the brackets. Mark the location of support brackets spacing it halfway between the brackets used for mounting. The mounting bracket should be held in position and holes should be drilled into the window frame. The mounting brackets should be attached using screws.
The head rail connected to the cellular shade should be inserted into mounting brackets keeping an angle. As you make them straight, they lock into position. Pull the shade downwards so that it covers the window.
The hold-down brackets should be connected to both sides of the shade. Hold the brackets in place above the window sill where you want to install them. Disconnect mounting brackets from the pleated shade and connect them to the windowsill.