Change Windows XP password
To change the Administrator password in Windows XP
Log on to the computer using the Administrator account.
Click Start, click Control Panel, and then double-click User Accounts. The User Accounts dialog box opens.
In User Name, select the account that you want to change, and then click Reset Password. In New password, type a new password, and in Confirm new password, retype the password, and then click OK.
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