To add multiple images, videos, or files at once:
- Go to Library > Files.
- Click the Add Files button in the upper left.
Add Files button in File Library
- This will open a pop-up where you can either drag files from your desktop/File Explorer into the pop-up, or click the button to Browse Files, navigate to the files you want to add, and open to add them.
Drag files to the popup where it says "Drag files here" or click Browse to Files to open a window
- Once you've added the files you'd like to upload, click the Upload Files button in the lower right.
Click the Upload Files button to complete the upload