Winning at online roulette requires a blend of strategy and luck. Start by choosing a reputable casino with favorable odds, such as European roulette, which has a single zero. Set a budget and stick to it, using betting strategies like the Martingale or Fibonacci to manage your stakes. Focus on outside bets, like red/black or odd/even, for better odds of winning. Remember, no strategy guarantees success, so play responsibly and enjoy the game for its entertainment value.