To practice Blackjack without using real money, you can play free online games or use mobile apps that simulate the experience. Many online casinos offer demo versions, and there are also dedicated Blackjack simulators and training sites. Additionally, you can practice with friends using fake money, or use strategy charts to improve your decision-making. Video tutorials can further help you understand the best strategies. By regularly practicing in these ways, you can hone your skills risk-free.