Make a note of any papers that have helped your research develop.
Make a note of the times that you remember great success during your PhD.
Make a note of what you know about the viva.
Make a note of anything you know about your examiners’ interests.
Make a note of methods, questions or ideas that you find tricky.
Make a note of topics you need to discuss with your supervisor.
Make a note of times when you remember presenting well.
Make a note of challenges you overcame throughout your PhD, particularly with the pandemic.
Then reflect. What stands out? What helps you? What do you need to do as a result?
Remember to make a note of anything that could help you, in some way, be more ready for your viva.