When you turn 21, there are several things you can legally do, including:

1. Drink alcohol: This is the most well-known change that comes with turning 21. You can legally drink alcohol anywhere that it’s legal to do so. This includes bars, nightclubs, and restaurants. You can also drink alcohol in public places, as long as you’re not causing a disturbance. And you can buy alcohol from stores and liquor stores.

2. Rent a car: At 21, you can rent a car from most rental car companies.

3. Gamble: You can legally gamble in the United States, including casino games, sports betting, and playing the lottery.

4. Get a pilots license: You can get a pilots license at 21.

5. Book a hotel room: You can book a hotel room on your own.

6. Buy liquor from a store: You can buy liquor from a store.

7. Drink with your parents: You can sit down and have a drink with your parents.

8. Drink at Disney: You can drink at Disney.

9. Hit the club: You can go to a club and buy overpriced drinks.

10. Keep alcohol in your dorm: You can keep alcohol in your dorm room.

In addition to these activities, there are other things you can do to celebrate turning 21, such as traveling, buying 21st birthday merchandise, and telling everyone youre 21.