Days.gone.v1.06.language.addon-kaos [portable] Here

The name refers to a specific "repack" or language update released by the pirate group KaOs for the PC version of the game

This appears to be a language pack or modification for the game "Days Gone" version 1.06, developed or provided by the group KaOs. The game, developed by SIE Bend Studio and published by Sony Interactive Entertainment, was initially released on April 26, 2019, for PlayStation 4. Days.Gone.v1.06.Language.ADDON-KaOs

The scene has a few alternatives. Why pick KaOs? The name refers to a specific "repack" or