Does anybody knows why my dropdown menus are not working (select country). Its in review your order section. And it is required so I can’t go on to next page.

The experience you described has been reported and is currently being addressed by the development team.  

Take a look at the following TurboTax help article for an opportunity to register your email address and receive updates as they become available.

Why am I unable to enter a US billing address when trying to pay?

@bmbboxx