Hello,
We’re sorry for the issue you’re facing with changing your username. To change your username to "nguyenthanhhuy", please first check if this username is available by visiting the following URL and replacing username with your desired username:
`https://rankmath.com/kb/cancel-subscription/
If you see a "Page not found" error, it means the username is available. In that case, you can open a ticket requesting the Rank Math Support team to change your username.
If the username is already taken, you will need to choose a different one.
Thank you for raising this concern! If you have any further questions, feel free to reply to this ticket, and a human agent will assist you.
Sources:
How to Change Your Username in Rank Math » Rank Math
Hello,
Thank you for reaching out to Rank Math support.
We have confirmed that the new username you provided is available. If you still wish to change your username, please let us know.
Regards
