To add a new file to the Media Library, click on the Add New link in the left-hand navigation menu or the Add New button at the top of the page.
If you click the Add New button when you’re viewing the Media Library in the List View, or click the Add New link in the menu, simply drag your images from wherever they are on your computer, into the area marked Drop files here. Your file(s) will be automatically uploaded.
Once your images or files are uploaded, they’re listed below the file uploader. If you’d like to edit the file properties, click the Edit link next to the file.
If you click the Add New button when you’re viewing the Media Library in the Grid View, you can drag your images from wherever they are on your computer, to anywhere on the screen. Your file(s) will be automatically uploaded.
Once your images or files are uploaded, they’re displayed below the file uploader, with the rest of your media.
When uploading files, you can also click the Select Files button and then select the files that you’d like to upload, using the dialog window that is displayed.