If you previously purchased the game on Steam, you can still find the file in your local directory:
It looks like you’re asking for a draft of a long-form text based on the subject line: sonic knuckles wsonic3bin file download hot fix
for history on why the game was originally split into two cartridges. Are you having trouble with a specific error message when trying to load the file? FLYING Hyper Sonic Tutorial in Sonic 3! - Sonic Origins 13 Aug 2022 — If you previously purchased the game on Steam,