Hi Elaaf, hope you are doing good.
Regarding your question, I think you can get more information on how to change your name in Personal Vue customer service here: https://www.pearsonvue.com/us/en/test-takers/resources.html#faq
In Frequently asked questions section you will find information on how to change personal data in Personal Vue profile.
Hope this information is useful.
Have a great day.