1. Follow the guide to access your Sharepoint in your web browser : https://rbservicesnz.freshdesk.com/a/solutions/articles/51000258550
2. Navigate to the folder you would like to add add a file to.
3. To create a new file or folder, click on "New", then chose what you would like to create (eg. Folder, Word document, Excel document, etc)
Or, if you would like to upload an existing document, click on "Upload". If you'd like to a add an individual file, select "File". If you would like to upload an entire folder, select folder.
Now navigate to the file or folder you would like to add and click "Upload"
The new file will now be added to the folder.