Although steamapi64.dll is a Steam file, it relies on Microsoft Visual C++ libraries to function. A missing VC++ runtime can cause a misleading "missing DLL" error.
Fix: steam_api64.dll missing error in WWE 2K15 steamapi64dll missing wwe 2k15 link
"Error: steamapi64.dll not found." "Cannot launch WWE 2K15: steamapi64.dll is missing." Although steamapi64
Sometimes the error isn't the file itself, but the environment it runs in. Ensure you have the latest Visual C++ Redistributable Packages installed. Specifically, WWE 2K15 requires the 2010 and 2013 versions (x64) to properly read the Steam API libraries. Although steamapi64.dll is a Steam file