Review your book
The Review step is a list of passes, from Finish the draft to Proofread, with a revision inbox and a revision plan at the top. Open one to work through it.
In a pass
Set the pass's status: Not started, In progress, Done or Skipped. Checklist opens its checks, which you tick, and a box for notes to yourself. The buttons at the bottom take you to the pass before or after. Your marks are saved with the book.