Leg workouts you can do at home

"Doing leg exercises at home is probably a lot easier than you realize. You don't need a leg press machine or a stair climber, or a squat bar to fire up those lower-body muscles. All you need is your bodyweight, maybe a chair, and the motivation to put some burn in your quads, hamstrings, glutes, calves, and inner thighs."

Also these workouts are very valuable to really get your form down before you add weights or go to the gym.  Here is an example of some home leg workouts here.