Depending on how you are playing the game, the save file format and installation path will differ:

Some saves made with high-res texture packs may require you to have those mods installed. Empty Slots:

%USERPROFILE%\Documents\GTA Liberty City Stories User Files\ PPSSPP Emulator \memstick\PSP\SAVEDATA\ULUS10041 PCSX2 Emulator Inside your virtual memory card (use to inject) 3. Installation Instructions

Grand Theft Auto: Liberty City Stories never received an official PC release, downloading a 100% save game depends entirely on which version or emulator you are using on your PC. Top Sources for 100% Save Games