Overview
Account Settings is where you can review and edit basic in information of your account.
You can select Gravatar in the upper right-hand corner of your admin bar to reach Account Settings.
Or you can go directly to Account Settings by: https://wordpress.com/me/account
Account Settings
Username
You need to create an unique name for your WordPress.com user name. You also can change your name by inserting a new one name in username field and following the shown instructions. Your username will be displayed next to any of your posts in WordPress.com forums.
Email Address
This is required. This one can be changed but email addresses cannot be shared among accounts. That means you cannot use on email address to register multiple accounts. You have to confirm by email whenever you change your email address.
Note: Your email address will not be shown up publicly when you make a comment on WordPress.com, but it is still visible to the site’s owner/administrator.
Primary Blog
You can choose which blog that will become your primary blog. The link which is used for your Public Display Name when you leave comments on WordPress.com is the Web Address. If you change it, it will not affect the link on existing comments; the only thing to be changed here is the link for future comments you leave.
Interface Language
You can set primary language for the administrative screens in WordPress.com. In order to do so, please go to your blog’s General Settings
In-page Translator
When you turn this option on, this means that an in-page translation tool will be enable when it is available. This tool is utilized to support translating WordPress.com interface.
Note: If you make changes in your Account Settings, please ensues that you select the Save Changes button at the bottom!
Privacy
WorPress.com use third party tools in order to collect data about how users interact with its site. You can find more information about it here- privacy policy. In case you do not want to be tracked your interactions, you can opt out by utilizing the links in privacy policy in your account settings.