How can i solve error for addon for simscape

I'm trying to install simscape but I met with error for (install_addon(line 15)). How can i solve this error? I'm using matlab r2021. Thanks

[Walter Roberson]

What is the complete error message?

Answer 1

[BIZIMANA John]

Error using install_addon (line 15) Usage: install_addon addon_zip_file

Answer 2

[Walter Roberson]

See https://www.mathworks.com/matlabcentral/answers/379995-install_addon-smlink-r2017b-win64-zip-undefined-function-or-variable-install_addon#answer_308621 which says that you need to get the software from the Simscape Multibody Link page (answer has the link)