Steam will then scan the entire game directory. This process may take a few minutes. When it's done, it will automatically download and replace the correct steam_api.dll for your version of the game.
Usually, it is found at: C:\Program Files (x86)\Steam\steamapps\common\Hitman Absolution steamapidll for hitman absolution professional edition best
Missing DLL errors in the often stem from a few specific scenarios: Steam will then scan the entire game directory
: The game lacks the Windows permissions required to read the file correctly. The Best Ways to Fix steam_api.dll Errors Method 1: Verify Integrity of Game Files (Best & Safest) steamapidll for hitman absolution professional edition best
If you have a standalone version of the game, uninstall it through the Control Panel's "Programs and Features" section, then reinstall from your original installation media.