extract this and place "ProgressionData.sav" into

Steam:

C:\Users%USERNAME%\AppData\Local\Endling\Saved\SaveGames\Steam(numbers)

Epic Games:

C:\Users%USERNAME%\AppData\Local\Endling\Saved\SaveGames\EOS(Base key)

GOG:

C:\Users%USERNAME%\AppData\Local\Endling\Saved\SaveGames\GOG(Numbers)

Null platform:

C:\Users%USERNAME%\AppData\Local\Endling\Saved\SaveGames\Null(Desktop id)