Following is a description on how to change the order of the screens in a purchase scenario.
1) Log in to your Reseller Control Panel (RCP). Switch to Classic Panel.
2) Select Billing () from the top right corner
3) Select Products > Online Store
4) The ‘Online Store’ page opens
5) Tick the checkbox corresponding to the screen you want to re-order
6) Click the Move Up and Move Down buttons to change the order of the screens
7) To have these changes reflected on your Cloud Store. You can visit your Cloud Store to see the changes.