How do you get married or have children on sims free play?

To get married, two adult sims have to get a strong realtionship. Then when they both have 90 or higher on their realtionship bars for that sim. Then click on one and press propose and engage then get to 100, then press propose and marrige.

To have kids you make two sims get into a hottub or relax in a bed. (Make sure the two sims have a strong realtiOShip). And click try for baby until it doesnt appear anymore, then soon your sim gets pregnant. =]