Microsoft has announced plans to offer C++/CLI in .NET Core 3.1. This would only be offered for Windows applications; you won’t be able to use C++/CLI for Linux or OSX.

The project follows Microsoft's earlier C++/WinRT library for the Windows Runtime, which allows developers to write UWP and Win32 Windows apps. Both libraries provide access to the Windows Runtime ...

If a missing Visual C++ library is the cause of the error, you can fix it by installing the Visual C++ Redistributable Packages. Visit Microsoft’s official website and click on the Download button.

1] Repair Microsoft Visual C++ Redistributables. Repair Microsoft Visual C++ Redistributable files and see if it fixes the issue. For this, you have to open the Control Panel.