i would like to add website to rank math seo

Hello,

Thank you for contacting Rank Math.

First, ensure that the plugin is installed on your website:
https://rankmath.com/kb/installing-through-the-admin-panel/

Then connect your website to your Rank Math account by going to WordPress dashboard > Rank Math dashboard > Help > Connect.
https://rankmath.com/kb/website-not-shown-in-account/

I hope this helps. Looking forward to helping you.