: Ensure the file sounds_eng.pck (for dialogue) and sounds_sfx.pck (for sound effects) are present in your SoundData\pc folder.
: Sometimes the game doesn't "know" it should be playing English. You may need to update your Windows Registry. Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Ubisoft\Assassin's Creed II and ensure the "Language" string is set to "English" . assassin 39s creed 2 soundsengpack repack download
: After placing the files, go to Options > Spoken Language in the main menu to select English. Official Alternatives for Voice Packs : Ensure the file sounds_eng