Wherever the Terms and Conditions checkbox cannot be placed, it will be displayed in a popup right before the checkout.
Click Checkout button to see how it works.
Unfortunately, the Setup Wizard is not available in the demo. You should see it after installing the app into your store.
Or you can take a look on the video below to see how it works in action.
* Click Checkout button to see how it works.
In your real store, the customers agreeing with your terms and conditions will be redirected to the checkout process.