api-ms-win-core-version-l1-1-1.dll is not a conventional DLL but a core Windows API Set redirection stub. There is no valid scenario in which manually “installing” this 64-bit DLL solves a runtime error. The proper remediation is to update the Windows OS, install the correct Visual C++ Redistributable, and/or run system file integrity checks. Developers compiling 64-bit applications should ensure their installer includes the redistributable components rather than individual API Set files.

Rather than downloading a single DLL file from unofficial websites—which can pose security risks—use the following official methods to restore it.

Go to the official Microsoft Visual C++ Redistributable website .

The application you are trying to run requires a newer version of the Windows API set than what is currently installed on your PC.

This is the most common and recommended fix for apimswincoreversionl111dll errors on 64-bit systems.