To edit your profile, click 'settings' in the bottom left of any page on Chess.com
This will take you to your profile! Here you can fill out any personal information you'd like. None of this is required, you can always stay completely anonymous!
Update your profile
At the top of the page is your avatar, and flair, and status!
You can change any of these by clicking on the edit symbol (or 'change' for the avatar)
Below that is your name and location information:
Aside from this information, you can also add any kind of details you'd like in the 'about me' section.
See how to use the advanced editor tools here, and get your profile page looking exactly how you want it!
When you're all done, be sure to click save!