1. Look online for a list of popular card games.
2. Research the rules for a few games that look interesting.
3. Find someone who knows how to play one of the games and ask them to teach you.
4. Buy a deck of cards specifically for playing card games.
5. Join or start a card game club.
6. Attend a card game convention.
7. Go to a local game store and ask about card games.
8. Borrow a friend's deck of cards and play a game with them.
9. Watch people play card games online.
10. Read a book about card games.