The thread primarily discusses issues with running Grand Theft Auto 3 on modern Windows operating systems. The original poster struggles with game compatibility and seeks assistance, while other members suggest that GTA 3 supports Windows 98 through XP and recommend solutions such as using widescreen fixes, DirectPlay installation, and re-purchasing via digital platforms like Steam for better compatibility. Overall, the consensus indicates that with the proper setup and fixes, GTA 3 can run successfully on Windows 10 and earlier versions, though some users express concerns about DRM restrictions and version-specific compatibility.