Illinois Adult Drivers Ed

• How do I get my Illinois drivers license if I'm 21 or over?
• Am I required to take drivers ed, or can I just get my license when I turn 18?
• Do I have to take this course if I'm 21 or older?
• What's the difference between an online adult drivers ed course and a classroom course?
• How do I get my drivers license?
• How long is the course?