: An auxiliary file often required for the emulator to function correctly. 2. Setup Instructions Locate the Game Executable : Find the folder where the game's is located. This is usually in the Binaries/Win64 Binaries/Win32 subfolder. Backup Original Files : Before doing anything, find the original SteamApi.dll SteamApi64.dll and rename it to something like SteamApi.dll.bak Copy Emulator Files