Audio language can be changed in game settings.BAT-files in game root to change the game GUI/Text language HDD space after installation: up to 78 GB.After-install integrity check so you could make sure that everything installed properly.Installing of Arcade/MP files takes another 20-40 minutes.Installation takes (SP only): ~40-60 minutes on 8-threads CPU ~1.5-2 hours on 4-threads CPU.