Navigate to the settings for StarCraft II and ensure the "Audio + Text" languages match your actual in-game settings.
. A mismatch often forces the game to re-download localization packs every time you launch. Use the Switcher : Bypass the Battle.net launcher by running SC2Switcher_x64.exe starcraft 2 preparing game data exclusive
StarCraft 2 Preparing Game Data: Understanding the Exclusive Behind-the-Scenes Process Navigate to the settings for StarCraft II and
: Corrupted temporary files can stall the update process. starcraft 2 preparing game data exclusive