Hi Ivie Lilly,
Muse is packaged in Exception folder after package creation using CCP and should be installed from there. Below mentioned is the command to install Muse from Exception:
ExceptionDeployer.exe --workflow=install --mode=post.
Refer the article: http://helpx.adobe.com/creative-cloud/packager/using-exceptions-deploy er.html.
Regards,
Romit Sinha
