If you have trouble getting the original 2000 version to run on Windows 10 or 11, the developer released a modern successor:
You can play UK 8-Ball, US 8-Ball, 9-Ball, Snooker, Speedball, and Killer. international-cue-club-pc-game-free-download-full-version
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. If you have trouble getting the original 2000
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 Available on Steam and the official Cue Club website
You start in chat rooms, building a reputation to challenge "bosses" and unlock new cues and table designs.
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: