- Pick an open tab and drag it to where you want your second instance.
- Use the split view icon on the right corner of an open tab.
- Open a new document (on the homepage) into a new instance. Tap the downfacing arrow on the notebook > open it in a new window.
- Pick up a document and drag it to the side.
- Select a specific page to open from the document’s overview. In this window pick and drag the page you want in a new instance.
- My least favourite option: drag the app from your dock.
GoodNotes: Six ways to open multiple instances in iPadOS
