How do I upload files to Resources?
Go to Resources.
Select the Resources tool from the Tool Menu of your site.
Click Actions, then Upload Files.
Option 1: Drag and drop files from your computer.
Drag files from your computer and drop them in box marked "Drop files here to upload".
This will display thumbnails of the files that will be uploaded.
This uploads the files.
Option 2: Browse your computer for files.
Click in the box labeled "Drop files here to upload."
This will open your computer's File Upload window.