Doing squats everyday can help you build your leg muscles as well as help with building your quadriceps, hamstrings, and calves.
Squats when done everyday can help boost and improve your upper and lower body strength.
When you do squats everyday you can also lose some body fat since doing squats will help you burn off some calories as well.
Other benefits other than building muscle in your legs and entire body is that doing squats on a daily basis can help you improve digestion, improve circulation, help fight cellulite, burn fat and calories, helps your joints, builds your glutes and increases hormone release.