Change the Guest Account in Windows 7

How to change the Windows 7 Guest Account:

Loggin windows 7 by the guest account --> click start button --> open the Control Panel (All Items View) --> User Accounts --> Click "Change your account name link" --> If UAC prompted, type in the administrator account's password and click on Yes button --> Type a name you want instead in the "New account name" box --> click on the Change Name button.

Then log off windows 7, you can see that guest's logon icon with the new name on screen.