The installation is successful, but the payment page cannot be displayed. How to

Have you set up your MCC currencies?

Nothing that is preventing MCC from being used depending on shipping zone?

Is this where you’re talking? I have set it up here, but the payment page cannot be displayed. I’m confused.

https://prnt.sc/BUIOsHuy6QQq

The problem was the user was using a “blocks” checkout page.

After switching to the “classic” (normal) checkout page the MCC checkout option appeared.