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If you download the game, you will likely need a few community patches to fix issues like widescreen support or broken textures:
If the game won't launch, you may need to enable "DirectPlay" in your Windows Features (under Legacy Components). Rayman 3: Hoodlum Havoc - PCGamingWiki PCGW
This is the most recommended mod for adding widescreen support and various quality-of-life improvements.