: If you are writing a "paper" or manual for an app you built, you should note that the MATLAB Runtime is a royalty-free engine that must be bundled with your executable for it to function on other machines.
You cannot just download this single .dll . The MCR includes: mclmcrrt9-9.dll
Without this file, any executable or .NET/Java component compiled in MATLAB R2020b will fail to launch, typically triggering an error message such as "mclmcrrt9_9.dll not found" or "Unable to load DLL" . Common Reasons for mclmcrrt9_9.dll Errors : If you are writing a "paper" or
, the resulting standalone application does not contain the full MATLAB environment. Instead, it relies on this DLL to: Initialize the MCR Common Reasons for mclmcrrt9_9
13 Dec 2016 — https://www.mathworks.com/matlabcentral/answers/316704-matlab-r2015b-9-0-runtime-mclmcrrt9_0-dll-attempting-to-load#answer_247092.
Download and install the version corresponding to your operating system (typically Windows 64-bit). 2. Verify the Path Variable