The Japanese and Asian versions of Ghosts have a hard-coded language lock. The English pack will not work on the Japanese "GW" edition.
If you’ve picked up a regional copy of Call of Duty: Ghosts or accidentally downloaded a version with missing audio, the is an absolute lifesaver. It is not just a utility; it is the key to unlocking the game’s true potential. callofdutyghostsenglishlanguagepack
Right-click the game in Steam > Manage > Browse local files . The default path is usually C:\Program Files (x86)\Steam\steamapps\common\Call of Duty Ghosts . Replace Files: Open the english folder from your downloaded pack. Copy the sound and zone folders. Call of Duty: Ghosts English Language Pack Lost