A player should approach learning the rules of different blackjack variants by starting with a solid understanding of the basic rules of traditional blackjack. Familiarizing themselves with key terms and gameplay mechanics is essential before exploring variations. Players should then focus on one variant at a time, reading the specific rules and strategies associated with that version, as each may have unique features or house rules. Practicing through online simulations or low-stakes games can help reinforce their understanding and build confidence.