This chapter explores key techniques for effective prompt engineering, categorising methods into basic, advanced, and professional levels. Basic techniques such as direct instruction, question-based, and open-ended prompting establish foundational approaches for clear and concise AI interactions. Advanced strategies like chain-of-thought prompting and role-based prompting delve into nuanced methods that enhance contextual understanding and reasoning capabilities. The chapter also introduces professional-level techniques, including iterative prompting and task decomposition, which refine complex processes and foster adaptability. These strategies emphasise optimising prompt clarity, contextual relevance, and structural coherence to achieve precise, actionable, and creative AI responses. By systematically applying these techniques, users can harness AI’s potential across diverse applications, ensuring outputs that align with specific objectives and user intent.