If you manage to find the original 3-disc PC release, you will likely need patches to run it on Windows 10 or 11:
: A version specifically balanced for competitive play, often played via the Dolphin Emulator . 2. Official PC Version Installation sonic-riders-free-download-pc-game-full-version
: The original game has limited resolution options. Use an HD Resolution Patch to play in 1080p or 4K. If you manage to find the original 3-disc