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If your system already has the files but they are corrupted, use the Deployment Image Servicing and Management (DISM) and System File Checker (SFC) utilities to repair them.

The api-ms-win-core-memory-l1-1-6.dll file is an API forwarder. It helps applications communicate with the Windows operating system core.

This is the most effective and widely recommended fix. It will reinstall all the necessary UCRT components, including the api-ms-win-* DLL files.

If you are seeing an error message stating this file is missing, it usually means a specific application (often a game or creative software) cannot launch without it.

Often, these API sets are delivered with the latest Microsoft Visual C++ Redistributable packages. Download the latest "x64" version from Microsoft.

The api-ms-win-core-memory-l1-1-6.dll file is not a standalone application. It's an "API Set" file, which is a part of the Windows operating system's Universal C Runtime (UCRT).