If you are looking for the original game, several "abandonware" and archive sites host it because it is no longer sold commercially in its original form:
International Cue Club , originally released in 2000, remains a cult favorite for its realistic ball physics and immersive atmosphere. While "full version" free downloads are often hosted on various third-party sites, it is important to choose reliable sources to avoid malware. international-cue-club-pc-game-free-download-full-version
Available on Steam and the official Cue Club website . It features updated HD graphics and better compatibility with modern hardware. Cue Club 2 - Pool and Snooker Game for PC If you are looking for the original game,
Offers a full download (roughly 700MB) with an easy setup guide. This version is noted for having hundreds of virtual characters and various table customizations. Key Game Features It features updated HD graphics and better compatibility