Hello,
We apologize for the issue you are facing. To change your username from ‘bestnotes’ to ‘notes1’, please first check if the username ‘notes1’ is available. You can do this by copying the following URL into your browser and replacing username with ‘notes1’:
`https://rankmath.com/wp-content/uploads/2021/11/Enter-email-address-at-Rank-Math-Fastspring-checkout-page.png
If you see a "Page not found" error, it means the username is available. In that case, please reply to this ticket, and a human agent from the Rank Math Support team will assist you in changing your username.
Thank you for raising this concern!
Sources:
How to Change Your Username in Rank Math » Rank Math
Hello,
Thank you for contacting support.
We have changed the username on your account to the preferred one.
Thank you.