Do you want to customize your Windows log in screen or window lock screen? Do you want to change the account name and account picture? If yes then you can do the following steps.

Go to “Controlpanel” and click on “User accounts

accountnameNow you will get the following dialog box.

accountname2Now click on “Manage another account

accountname3

Now click on the account for which name and picture you want to change.

accountname4Now you can see options like “Change the account name“, “Change the picture“.

Click on them and you will be able to change the account name and account picture.