Starting an online casino involves several key steps. First, research and choose a suitable jurisdiction for licensing, as this is crucial for legal operation. Next, develop a business plan outlining your target market, game offerings, and marketing strategies. Partner with reputable software providers to ensure a diverse and secure gaming experience. Implement secure payment methods and robust cybersecurity measures to protect user data. Finally, create an engaging website and promote your casino through digital marketing strategies to attract players. Compliance with regulations and responsible gaming practices is essential for long-term success.