Yes, you can delete installer packages after the application has been properly installed and is working correctly. And as long as your music is in the iTunes library (make sure) you can delete the duplicates from the downloads folder.

Can I delete installer files on Mac?

Installer files are easier to remove because they can be considered as . ... After unmounting it, locate the file (usually in the Downloads folder, the default location for files downloaded from the web), and simply press the Command + Backspace keys or drag it into the trash can.

Can you delete Microsoft installer packages Mac?

Rest assured, once Office Home and Student is installed, you can safely delete the installer file, that is no longer required . . . Power to the Developer!