Like many other games Days Gone will install language-pack files of ALL supported languages.

By following these simple steps u can free 15+ GB of disk space:
1.
Open the game folder of Days Gone
...Steam\steamapps\common\Days Gone\

2.
Open BendGame\Content\Paks\Lang

Here u will find 24 pak-files.
23 of them r the language-pack files.
siepresents.pak is not a language-pack file - Don't delete this file!

IMPORTANT:
All pak-files larger than 1 GB r language files of the fully supported languages (audio, texts etc.)

All small pak-files r the files of unsupported audio languages (Chinese etc.)
If u need 1 of these files & u delete all other language-files, the default language will be English.
The English language-file is not a separate pak-file in the Lang-folder.
(THx laga)

4.
Remember:
Don't delete siepresents.pak.
Delete all the other language-pack files.


If the selected language is NOT English, U can delete 22 files & free up to 15+ GB of disk space.
If the selected language is English, U can delete any pak-file in the Lang-folder -
except for siepresents.pak.


IMPORTANT:
If u verify the game-cache the files will be restored
Future updates may also restore these files.


Please take a second & rate this guide :)
THx.

Make sure 2 check my other guides:
https://steamproxy.net/profiles/76561198003433562/myworkshopfiles/?section=guides

Save even more disk space in:
DEATHLOOP, MAFIA - Definitive Edition, Horizon - Zero Dawn, Just Cause 4, MAFIA III, Dead Rising 4.