*This is not available for all website templates.
Classic Website Editor:
Go to the Website tab and click Manage
Edit your Home Page
Click the box in the 'Banner Button' row and select which page you'd like to link to
Scroll to the bottom and press 'Save'
Go to the Website tab and click Builder
Select your Home page (or whatever you named it) from the list of pages at the top
Click the button that appears in the top banner
After editing click Save
Changes will be applied immediately without needing to Save Draft or Publish