Suppose you are in the Creative Studio working on one of the pages of your issue. If you want to change the page when editing, these simple steps will help you:
Click the View Pages icon at the bottom of the editor to see all the pages of your publication
Select the page you want to edit
If you've made any changes on the current page, click Cancel, save the changes, and proceed to a new page. If you don't want to save the changes click the Discard changes button and be redirected to the new page
Go on and edit the page.