My installation change from to domain, how to reconect with domain?

Hello, we apologize for the issue you are facing with your Rank Math installation. To reconnect your Rank Math account with your new domain, you can follow these steps:

1. Disconnect Your Current Account: Go to your WordPress Dashboard, navigate to Rank Math SEO → Help, and click on Disconnect Account.
   

2. Connect to Your New Domain: After disconnecting, click on Connect Now.
   

3. Select the Correct License: You will be redirected to the plugin activation page. If you have multiple licenses, select the applicable license from the dropdown menu and then click OK, ACTIVATE NOW.
   

Once you have completed these steps, your Rank Math account should be reconnected with your new domain. If you have any further questions or need assistance, please feel free to reply to this ticket, and a human agent from the Rank Math Support team will assist you further.

Sources:
Website Not Shown In Rank Math Account Area » Rank Math
How to Use Rank Math on a Staging Site » Rank Math

Hello,

Please note that the account reconnection should be done inside your WordPress dashboard.

You can follow our guide here to do that:
https://rankmath.com/kb/website-not-shown-in-account/

Looking forward to helping you.