Some versions (often labeled "Far Cry 4 RU") are locked to a specific language and won't show other options in the menu. To fix this manually: Steam Community Additional language pack :: Far Cry 4 Player Support
If you own the game directly through Ubisoft, you can download additional language files directly through the client properties. Step-by-Step Instructions: Open the desktop application. Navigate to your Library tab and click on Far Cry 4 . Select Properties from the left-hand menu. far cry 4 language pack install
If characters are moving their mouths but no sound comes out, your language pack installation is corrupt or incomplete. Verify your game files via Steam (Right-click > Properties > Installed Files > Verify integrity) or Ubisoft Connect to re-download the broken audio assets. If you(PC, PlayStation, or Xbox) Some versions (often labeled "Far Cry 4 RU")
If the language you want is missing or unselectable, your game version might be region-locked (common with Russian/CIS or Asian releases). To fix this on PC, you can try verifying game files: Navigate to your Library tab and click on Far Cry 4