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When moving to a new build, don't just move the savedata.dat . For the best results, move the entire folder from your Documents. This ensures your controller mappings and sound settings remain intact alongside your character progress. Summary Checklist for a Working Save 💡 Key Tips for Success: dynasty warriors 4 hyper save file work
Are you using the or a digital/abandonware version? What Windows version are you currently on? Check that is active for the game launcher