In the Global Navigation, click on Commons link. Locate a resource by searching or filtering. To import a resource, click on the name of the resource. Search and select the course from the list, then click the Import into Course button. To download the file to your computer, click the Download link. A file that exceeds 500MB may not be importable and may fail.
You can import courses, modules, assignments, quizzes, discussions, pages, or files to Commons. Keep in mind, imported resources will retain their original published or unpublished status.