To learn and improve blackjack skills, one should start by mastering basic strategy, which provides optimal decisions based on mathematical probabilities for every possible hand. Practice consistently, either online or with a deck of cards, to build familiarity with different situations. It's also beneficial to understand the game's rules, table etiquette, and common variations. As skills improve, players can explore more advanced techniques like card counting, bankroll management, and betting strategies. Regularly reviewing mistakes and learning from experienced players or resources will further enhance proficiency.