Now, you have to change it from PC Settings. Unlike previous versions of Windows, Windows 10 and Windows 8 don’t include an option to change the account picture from the User Accounts applet in Control Panel. Part 1: Change Account Picture for Windows 10/8 Account
In this article we’ll show you how to change the user account picture in Windows 10/8, restore the default user picture (avatar) or delete your old or current account picture. Actually, the same account picture is also shown at the top of the Start menu (or Start screen), and you can click it to log off and switch user accounts. At Windows login screen you can see a list of user accounts with a small picture next to each one.
