To use the savefile, you just need to open, but. before opening the file, press Win+R and type "regedit", then navigate to: "Computer\HKEY_CURRENT_USER\Software\Linked Squad\Metel" and delete the Metel folder to completely reset the progress.

Contains 1234 code for electrical panel in Alan, and 000 code for a locker in Emily so you don't need to input the codes yourself