Article: Check to see if they have brackets already attached to them. The brackets are the point at which you will screw the sliding shelf into the cabinet. Check the correct sides for the drawer slides by sliding them onto either side of the pull out drawer. Align the drawer with the cabinet itself. Check the front, back and sides to ensure it's straight and square with the opening. Adjust the brackets, slides and shelf inside the cabinet if the door doesn't close.

What is a summary?
Pick up the drawer slides. Turn the pull out drawer so that the front is facing the ground. Place the drawer with slides into the kitchen cabinet to be sure it is the correct size. Close the door of the cabinet.