Media is managed using the Drupal media library browser. Wherever you are able to add an image, video, audio, or file, such as in the text editor, clicking to add an item opens the media library. You can browse through media that has previously been uploaded to your site, and search for specific items using the Published Status and Media Name filters.
Clicking on the Add New Image (or video, audio, and file) brings up the form to create new media items.
You are also able to see a complete list of all of the media items on your site by going to Content > Media in the administration toolbar.
Please see the following how-tos to learn how to manage and create media items for use on your website.