A bought a used windows xp computer but i dont have the administrators password to unlocked, what can i do?

Unlike Windows 7 and Vista, the default administrator account on Windows XP is enabled and not password protected. And by this unique feature, you can easily reset a forgotten login password to Windows XP when you are locked out of computer. But if you added a password to this built-in administrator account before and now cannot remember its password, what will you do to reset this forgotten Windows XP default administrator password? Here's some advice on <a href="http://www.anypasswordrecovery.com/windows-xp-administrator-password-recovery.html">Windows XP administrator password</a> recovery for you if your Windows XP machine is in use.<br /><br />Tip 1: Take advantage of password recovery disk<br /><br />Provided a password reset disk for the default administrator account is created in advance, Windows XP administrator password recovery can be completed within a few clicks.<br /><br /><img src="yaoch_1.png" /><br /><br />Step 1. Go to Windows XP logon screen and enter a wrong password for the administrator account.<br /><br />Step 2. Press Enter to pop up the "logon failed" dialog box, and click "use your password reset disk".<br /><br />Step 3. On the Password Reset Wizard screen, click Next to change this administrator password.<br /><br />Tip 2: Try Windows Password Recovery Software<br /><br />If you forgot Windows administrator password without a password reset disk, don't feel impressed. <a href="http://www.anypasswordrecovery.com/" style="font-weight: bold;">Rekeysoft Windows Password Recovery</a> can solve your problem. It allows you to create a password reset CD/DVD to reset lost Windows XP administrator password.<br /><br /><img src="yaoch_2.png" /><br /><br />Step 1. Download and install Windows Password Recovery.<br /><br />Step 2. Burn a bootable password reset CD/DVD.<br /><br />Step 3. Boot your locked computer form the CD/DVD.<br /><br />Step 4. <a href="http://www.anypasswordrecovery.com/reset-windows-xp-password.html">Reset Windows XP password</a> under Win PE.<br /><br />Step 5. Log on computer via this administrator account without password.<br /><br />Note: With intuitive GUI, you can defeat Windows XP administrator password within a few clicks, regardless of your level of computer knowledge. 100% recovery rate guaranteed.<br /><br />Tip 3: Use a user account with administrator permission<br /><br />It is well-known that users can create 2 kinds of administrator account on Window XP. One is a user account with administrator privileges while the other is the built-in administrator account. So when you forgot Windows XP default administrator password, you can log on computer with another kind of administrator account and then do as follows:<br /><br /><img src="yaoch_3.png" /><br /><br />Step 1. Right-click My Computer icon to select Mange.<br /><br />Step 2. On the coming up classic computer management window, expand Local Users and Groups folder, and then expand Users folder to display all user accounts on this computer.<br /><br />Step 3. Right-click Administrator and select Set Password option.<br /><br />Among these tips, it's highly suggested you try tip 2 that changing Windows XP password with Windows password recovery software as it is can be applied to every lost Windows password circumstances. And it is simple and fast.