How can I change my name on here?

There is a round about way that may or may not work to change the name to something else you will see on here, I do know it works on new accounts if you haven't already chosen an answers nickname..

........Go to your account info page by hovering over the gear top right and clicking Account info.

Click where it shows Full Name and on the next page change / remove your actual First name and Enter the name you want to be seen as on the answers site and be sure to save.

If that does not work then you will have to wait just like all of us and hope that it is not something they have taken away totally.

You can't for now. Yahoo is in process of changing the profile page, getting rid of it,and they decided to put nickname posting and picture posting on hold for now. Not sure when it will be allowed again, if ever.