Once you have signed into HAP (Home Access Plus) - See guide on how to signin: http://helpdesk.tandridgelearningtrust.co.uk/en/support/solutions/articles/47001128074
You will see the following screen:
Click on "File Explorer" and you will then see the screen change to this:
Click on either "N - My Documents" in center panel, or select "My Documents (N)" from the side navigation bar.
Selecting a folder or file will then give you options to download or upload work, Cut, Copy and Paste within the folders, shown below: