Connect your PSP to your computer via USB or insert your Memory Stick Pro Duo into a card reader. Locate the Folder: Navigate to PSP -> SAVEDATA .
Overwrite any existing file (make a backup of your old save first!). Using Save Data on PPSSPP Emulator dynasty warriors vol 2 psp save data free
Launch the game, and the "Load Game" option should now recognize the new data. Connect your PSP to your computer via USB