Sometimes the EA App will overwrite your registry changes. If this happens, set the permissions of the "BF Hardline" registry key to "Read Only" after making your edits.
For standard editions purchased in North American or EU regions, English files are typically included and can be activated without third-party downloads. Origin/EA App Client Settings battlefield hardline english language files new
Delete the existing non-English files (like ru.sb or pl.sb ) and paste the new ( en.sb , etc.) into this folder. Update Registry Editor : Sometimes the EA App will overwrite your registry changes