: For older versions, you may need to reinstall the game and select Install additional languages in the initial installation pop-up. How to Install via Steam
Far Cry 4 Language Settings: How to Change the Language on Far Cry 4? far cry 4 language pack install
Steam will automatically begin downloading the necessary files for that language pack. Fixing Region-Locked Language Issues (e.g., Russian Only) : For older versions, you may need to
multicommon_english.dat and multicommon_english.fat (Place in \data_win32\worlds\multicommon\ ). Fixing Region-Locked Language Issues (e
Installing a language pack for on PC varies depending on your platform (Steam or Ubisoft Connect) and whether your version is region-locked. Most players can install additional languages through their launcher's properties or by using the Ubisoft Help guide for additional languages. How to Install via Ubisoft Connect
If you have a region-locked version (common with some Russian releases) that doesn't allow switching in the launcher, you may need to manually place language files in the game directory.
Launch the game; you should be prompted to download and install the new language pack.