Of Isaac Repentance 100 Save File Install ((new)) | Binding

Steam Cloud will automatically overwrite your new file with your old progress unless disabled:

-> Properties -> General -> Uncheck "Keep game's saves in the Steam Cloud...". Method 1: Using the Automatic Installer (Recommended) binding of isaac repentance 100 save file install

You will see a folder with a string of numbers. If you have used multiple Steam accounts, there might be more than one; select the one you currently use. Steam Cloud will automatically overwrite your new file