A Windows user domain password is used for access to any Windows domain or network where passwords are required. Changing a user's domain password is simple, however the user must be logged in as a computer administrator.
Click the "Start" menu.
Click the "Control Panel" option.
Scroll to "User Accounts" and double-click it to open the User Accounts menu.
Select the "Advanced" tab.
Click "Manage Passwords" if the computer is currently connected to a domain or network. If the computer is not currently connected to a domain or network, click the account name to be changed and click "Manage my Network Passwords."
Click the entry in the domain that requires a password change and then click "Properties."
Click "Change" and enter the required information, as well as the new password.
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