Navigate to your Black Ops 3 installation folder (usually Steam/steamapps/common/Call of Duty Black Ops III ). Locate a file named or Steam_Api64.txt . Open it with a text editor like Notepad.
Replace the existing localization.txt in your main directory. black ops 3 language switcher download
Steam will automatically download the necessary language files. Once the download finishes, launch the game. Navigate to your Black Ops 3 installation folder
Select your desired language (e.g., English, French, Spanish) from the dropdown menu. black ops 3 language switcher download
Copy the new language folder (e.g., english ) into the folder of your game directory.
Download the language pack (which usually contains a localization.txt and a zone folder).