Go to https://www.facebook.com in your preferred browser. This will load your News Feed if you're already logged into Facebook. If you aren't already logged into Facebook, enter your email address (or phone number) and password before continuing. This icon is in the upper-right side of the Facebook page. Doing so prompts a drop-down menu. It's near the bottom of the drop-down menu. This option is in the upper-left side of the page. It's at the top of the General page. Replace the name(s) in the First, Middle, and/or Last fields with your preferred name(s). This blue button is below the name section. Clicking it brings up a pop-up menu. Facebook will display variations of your name at the top of the page; click an option to select it as your name's appearance. You'll enter your password in the text field above the Save Changes button. Doing so will change your Facebook name.
Go to Facebook's website. Click . Click Settings. Click the General tab. Click your name. Edit your name. Click Review Change. Select a display option. Enter your password, then click Save Changes.