To prevent hackers from hacking into the Windows XP system, the default installed account username is "Administrator" is easy to be detected by hackers, the following to teach you to modify the account username to prevent intrusion.
Tools/raw Materials
Windows XP System
Method/Step
Open Control Panel to locate the administrative tools.
Next, open the local security policy in Administrative tools.
Expand Local Policies in turn → click "Security Options" to locate "account: Rename system Administrator account Administrator" in the right-hand section.
Select Account: Rename administrator account Administrator Press right to select Properties.
At this point, open the account: Rename system Administrator account attribute, in the box selected in the Red box, enter the user name such as "Officezu", in the Press "OK".
The second method
Press "Win+r" to open the Run window and enter "control userpasswords2" Press "OK".
Open the user account directly to select Properties.
You can also change the account "username" after the modification is complete and press "OK" to take effect.