# in Matlab 2021a x64 do this have dotnetbuilder canbe download? Where I can find the MWarray.dll?

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Jean Cao on 14 Sep 2021
Answered: Ananya Tewari on 21 Sep 2021
Hello,
I have just installed Matlab 2021a x64 compiler, SDK and so on.
I am looking for MWarray.dll, I did not find it.
In older version I have to install dotnetbuild separately.in there I can find above dll. I wonder if 2021a has dotnetbuild package I can install.
Thanks,
Jean

Ananya Tewari on 21 Sep 2021
Hello,
You can find the MWArray.dll file in the following path -
C:\Program Files\MATLAB\R2021a\toolbox\dotnetbuilder\bin\win64\v4.0
Feel free to change C:\Program Files\MATLAB\R2021a to your matlabroot