Intro
Remember that you are a Salesforce ORG user. Similar to platforms like Twitter, Facebook, and YouTube, we utilize Salesforce with individual user accounts. As a user, all your personal information is stored within your Salesforce account. You have the ability to view and edit this information through the settings.
How?
From your personal settings, enter Personal in the Quick Find box, then select Personal Information.
Enter Personal Information in the Quick Find box, then select Personal Information.
Save your changes.
Q&A
Can we change our username from settings?
No, you can not change your username from settings but you can see it.
Can we update our profile photo from settings?
No, you can not update your profile photo from settings.