Powerapps print multiple screens

1. How do I add multiple screens to Power Apps?
2. How do I switch to another screen in Power Apps?

How do I add multiple screens to Power Apps?

On the Home tab, select New screen, and then select the type of screen that you want to add. In the right-hand pane, select the name of the screen (just above the Properties tab), and then type Source. Add another screen, and name it Target.

How do I switch to another screen in Power Apps?

Use the Back and Navigate function to change which screen is displayed. For example, set the OnSelect property of a button to a formula that includes a Navigate function if you want to show a different screen when a user selects that button.