You do not need a drivers license unless you want to drive a car on public roads. In that case you need a license because all states have laws that require you to have a license. That license proves you have taken a drivers test and are qualified to drive.
Well, you need a drivers license to be able to drive, and a police might ask you for your drivers license to make sure that you know how to drive and won't cause any trouble to other drivers. Also, sometimes you need it to buy things. Hope this helps!
If you've misplaced your license, then you need to obtain a duplicate. If your drivers license was suspended, you are expected to stay out of the drivers seat until you are able to get your license again.
what ever age you need to be to get your drivers license. after that you can get your motorcycle license for 3 years probationary, if you don't already have your full drivers license. if you do have your full drivers license it is only 1 year probationary.