For official local play instructions without mods, you can check the Capcom Resident Evil 6 Manual for split-screen setup.
I’m not sure what you mean by "full piece" — I’ll assume you want a complete, step-by-step LAN fix guide for Resident Evil 6 so local multiplayer and LAN play work. I’ll provide a concise, actionable guide covering Windows versions, port forwarding, host file edits, firewall rules, and common troubleshooting. If you meant something else (e.g., a mod or patch file), say so and I’ll adjust. resident evil 6 lan fix fix