First, be sure to measure your closet for height, length and depth. There are several closet organizer kits sizes to choose from. For this particular project, we installed a laminate shelf unit with drawers and hangers. Remove everything except the shelf support from the existing closet.
Add the drawer glides to the bottom. The glides are marked left and right, and the rollers should face outward. Attach the guide rails (image 1), which are marked left and right. Now it's time to attach the brackets (image 2) to the wall.
If you're adding extra baskets or shelves, now is the time to attach them. Add a middle shelf 25 holes up from the bottom. Note that more shelves can be placed now.