To get a deposit bonus on FanDuel, first, create an account on their website or app. Once registered, make your initial deposit using a valid payment method. FanDuel typically offers a bonus that matches a percentage of your deposit, so be sure to check the current promotion details. Enter any required promo codes during the deposit process, if applicable. After your deposit is confirmed, the bonus funds will be credited to your account, allowing you to start betting with extra money. Always review the terms and conditions to understand wagering requirements.