Why is Google Pay Not Showing on my Site?

Once Google Pay has been enabled, the button will only display to visitors that meet the following requirements.

- Your customer must be using Chrome for Android version 59 or higher on an Android device running Android Kit Kat (4.4) or higher.
- Have the Google Pay app installed and running on their device.
- For Desktop, they must be using the latest Chrome version, have the Google Pay browser extension installed and have the account linked to their mobile device.