Navigate to the folder where you wish to add a file (or files). If you need to create a new folder, navigate to the desired folder where you wish to add it.
Select the Upload button.
You can drag files onto the popup, or you can click the popup to open your local drive explorer. Choose up to 5 files to upload, with a maximum of 100MB for any one file.
Select Upload to initiate the transfer.
You can delete any individual files by selecting the Delete icon (trash can).
Select Cancel to close the popup.