Welcome to the Community, @careplus-twentyfour. Yes, you can revert to the old invoice layout directly from the invoice page.
Open an invoice you’ve created, then click Old layout > Switch to old layout. Select a reason (or type your own) and click Share feedback to return to the previous layout.

Please visit this article for further information on personalizing your forms: Customise invoices, estimates, and sales receipts in QuickBooks.
For any additional questions or clarifications, click the Reply button below.