Since the game is considered "abandonware" by many, it is available through digital preservation sites, though the most stable way to play it on modern systems is using community patches.
Windows 95, 486 DX4 100MHz CPU, and 8MB of RAM.
The (1997) is a classic PC port of the Sega Genesis masterpieces: Sonic 3 , Sonic & Knuckles , and their combined form, Sonic 3 & Knuckles . While the original game was designed for Windows 95, modern fans can still download and play it today with some helpful community tools. How to Download and Install
Select "Install Game," point it to your game folder, and choose a new location for the patched installation.
Copy the GAME folder from your downloaded files to your computer. Run the launcher.