Add the WWE 2K15 installation folder to your antivirus to prevent it from being deleted again. Method 3: Reinstall the Steam Client
How to Fix the steam_api64.dll Missing Error in If you're trying to step into the ring in Steam Api 64 Dll Wwe 2k15
Re-downloads the original, uncorrupted DLL file automatically. Add the WWE 2K15 installation folder to your