Click on my profile link found on the top right corner above the main menu.

You will automatically enter a profile page where we can edit all our details like this.

Enter the username, First name, Last name, Nick name in the appropriate boxes,
You can also enter more information about yourself in same page below.

When finished click update profile button found at the right bottom of page like this below.

That’s it! You have successfully updated your profile, you now know how to edit your profile in wordpress.