Edit ThankYouPage

Can I change the order confirmation page? The point is that if someone creates an account, after paying or creating a free account, a confirmation page will appear. It is my place unreadable, nowhere to go anywhere.

Can I extract it somehow? So that there is information that you can log in right away?

Or is there another way to register an account?

The page I need help with: [log in to see the link]