The location of your save files depends on which version of the game you are playing (Original, GOG, or DevilutionX) and whether you are playing Single Player or Multiplayer. 1. The GOG.com Version (Most Common Today)
Modern GOG/Windows 10+ installs (if using compatibility/portable mode): diablo 1 save file location
If you installed the standalone offline backup installer from GOG: The location of your save files depends on
Some guides tell you to run the game as Admin to force saves into the Program Files folder. Do not do this. It leads to permission hell later. Use the VirtualStore location mentioned above, or re-install the game to C:\Games\Diablo instead of C:\Program Files . diablo 1 save file location