My computer I forget the administrator password and the other accounts are limited users what do i do?

1. Please power off the system.
2. Please power on the system and as soon as you see the Dell logo please tap the F8 button 3 - 4 times. You'll reach the Windows Advanced Boot Options Menu on the screen.
3.Select Safe mode with Networking.
4. Select Administrator at the log in screen.
5. Warning dialog box with the message Windows is running in safe mode. appears. Click the Yes button.
6. The desktop appears with the words Safe Mode appearing in all four corners.
7. go to Control panel and look for user accounts. Select the Account that has been locked and reset the password.

You don't have to spend any money.

Follow these instruction:

Start
Run
Type: compmgmt.msc
Enter
computer managment (Local)
Local Users and Groups
Click Users folder
Right click the user account
Click set password and click proceed
Type new password--confirm OK 2x
Restart computer

Search the Internet for a password changer. There are several out there. One I've tried is http://www.password-changer.com/order.htm. It's a $60 hit, but worth it in my business.