Hi PP_390,
Thank you for contacting the Microsoft Community.
Accurately reflecting your legal name in your profile is important, especially as it ensures your certification records and exam experience go as smoothly as possible. I’ll gladly assist in getting this corrected.
To proceed with making the necessary adjustments, please provide us with the additional details requested via the private message (see the image below) I have initiated.

Click here to access your private message
Your request is very important to us, and we are committed to handling it with the utmost care and attention.
I look forward to your response. Please note that if no response is received after two business days, the case will be closed and locked. After the case is locked, we will no longer be able to respond, even through Private Messages. Thank you.