In order to add Quick Notes you will need to carry out the following steps:
1. Go to Settings > Admin > Workflow > New Order Page.
2. Here you will need to scroll down to Notes Presets and click on Add Note.
3. Once you have clicked on 'Add Note' this will bring a pop up allowing you to add the note you would like.
4. Once added, click 'Add Note' and press update. This will then be available on the New Order Page.