The file is the original german file from the classic game from 2003, this has simply been renamed and the game accesses it without further problems. In-game I had no problems at all.
A few legal things... i did not create, make or have any rights to this file. all rights are with the developers.
HOW2INSTALL
Deutsch:
#1 Öffnet euer Verzeichnis... Homeworld Remastered\HomeworldRM\Daten
meistens:
GOG - [C:\Program Files (x86)\GalaxyClient\Games\Homeworld Remastered\HomeworldRM\Data]
Steam - [C:\Program Files (x86)\Steam\steamapps\common\Homeworld\HomeworldRM\Data]
(Oder rechtsklick auf eure Dekstopverknüpfung und klickt 'Dateipfad öffnen')
#2 Kopiert die Datei 'EnglishSpeechHW2Campaign.big' aus dem Patch-Archiv und fügt sie
direkt in den '...\HomeworldRM\Data' Ordner ein und überschreibt das original
(zur Sicherheit könnt ihr die Originaldatei sichern) und das war's.
Jetzt ist das Spiel komplett auf deutsch.
English:
#1 Go to ... Homeworld Remastered\HomeworldRM\Data
mostly:
GOG - [C:\Program Files (x86)\GalaxyClient\Games\Homeworld Remastered\HomeworldRM\Data]
Steam - [C:\Program Files (x86)\Steam\steamapps\common\Homeworld\HomeworldRM\Data]
(or rightclick on desktop shortcut and click 'Open file location')
#2 Copy and paste the data 'EnglishSpeechHW2Campaign.big' from the patch-archive straight
into the '...\HomeworldRM\Data' folder and overwrite the original
(for little safteyness u can backup the original file) and thats it.
Now the Game is complete german.