If you install the original 2006 PC version, it has very low requirements by modern standards:
As of 2026, is not available for purchase on modern digital storefronts like Steam or GOG. Because it has not been officially re-released digitally, obtaining it for PC typically requires finding a physical copy or using community preservation methods. How to Get the Game Download Sonic Riders PC Game 2006
You can find used physical copies of the PC version (often in jewel cases) on secondary marketplaces like eBay or Amazon . If you install the original 2006 PC version,
Windows 98 SE, 2000, ME, or XP (Compatibility mode may be needed for Windows 10/11) Windows 98 SE, 2000, ME, or XP (Compatibility
Intel Pentium III 1.0 GHz (Minimum) / Pentium 4 2.0 GHz (Recommended) RAM: 256 MB (Minimum) / 512 MB (Recommended) Storage: 3 GB available space GPU: 64 MB VRAM, DirectX 9.0c compatible Common Issues & Fixes Sonic Riders - PCGamingWiki