My husband and I were able to install this in around 2 hours without too much difficulty, directly into the garage ceiling studs. The instructions are not really great, you'll have to use some of your own common sense - I think Jim (below) has the right idea for installation. The gear box and removable arm to crank it up make this item worth the purchase, although the rope is chinzy. One little detail not mentioned in the instructions is that the device is meant to lift the box directly off the roof of your car, so the rope is not long enough to hoist a box from the garage floor. Installation was light years easier than slipping a large, bulky rooftop carrier into the two rope loops hanging 5 feet above the floor! We considered buying a longer rope, but are not sure there is physically enough space in the mechanism to wind up more rope. Despite some limitations, we are reasonably happy with our purchase.