This is the safest method. However, if you own a non-Steam version (GOG, retail disc, or "other"), proceed to Method 2.
: If the game crashes or shows a black screen after the difficulty selector, it often means the English audio files are missing or corrupt. Some users resolve this by manually downloading and extracting the "Hitman Apps English files" (approx. 478 MB) into the game directory. Windows 11 Launch Fix : Hitman Absolution English File
This is the safest way to trigger the download of missing English files. How do I change the Language? :: Hitman - Steam Community This is the safest method