Learn to bridge at The Bridge World where there are lessons for first-time players, as well as for those at the elementary and intermediate levels. You can find the appropriate section, and proceed through the lessons.
Here’s the link to Lesson 1: The Mechanics of Bridge:
We are often asked, “Why is contract bridge so avidly enjoyed by so many people?” This question is usually raised by someone who has never learned the game, but whose interest has been piqued by friends who have been bitten by the “bridge bug.”
It is not surprising that the game is highly appealing, because it combines so many fascinating features. Some of these are: