Another consideration: System requirements. The game is old, so modern systems should handle it, but it's good to mention that. The original system requirements for the game were lower, but the user should check if their PC is compatible.
Also, legal notice: Emphasize the importance of legal purchases and not sharing CD keys. Harry Potter And The Half Blood Prince Cd Key
Also, some people might be looking for a free CD key, which is unethical and often a sign of a scam. It's better to advise legal purchases. Another consideration: System requirements