: After replacing the file, launch the game and use the "Reset to Default" button at the bottom of the menu to force the new language to take effect. Using a Language Patch :
: Right-click the game in your library, select Properties , and check the Language tab. If the tab is missing, your version is likely region-locked. Troubleshooting Common Issues Change Language on AC Syndicate Fitgirl? : r/CrackSupport assassin 39-s creed syndicate localization.lang english
Go to the SoundData\PC folder and delete all non-English language packs (e.g., Russian) while keeping English and SFX files. : After replacing the file, launch the game
Download the patch and copy the folder into your game directory. Run patch.bat and wait for the "PROCESS COMPLETE" message. : Run patch
Managing language settings in Assassin’s Creed Syndicate can be challenging, particularly for players who purchased region-locked versions (such as those in CIS countries) where the game defaults to Russian. The core of this issue lies in the localization.lang file located in the game's root directory, which controls the available UI and subtitle languages. Why is the localization.lang File Important?
Copy this file and paste it into the main game directory, replacing the existing one.