Forgot Windows 7 password? How to reset the administrator password?
Forgot Windows 7 password? How to reset the administrator password if you've NOT created a Windows 7 password reset disk? Every day there are many questions about forgetting Windows 7 password. Here I recommend you to try Recover My Windows Password when your Windows login password is lost or forgotten.
Recover My Windows Password a secure software designed to create a bootable password recovery disk to reset lost or forgotten Windows 7 password for any version of Windows, including Windows 7/Vista/XP/2000/NT and Windows Server 2008/2003/2000. Simply follow this step-by-step guide to remove Windows 7 password with a bootable CD/DVD:
Step 1: Create a bootable CD/DVD
Download the Recover My Windows Password and save it on any computer you have access to. Unzip the downloaded file, there should be an ISO image file: RecoverMyWinPassword.iso. Burn the ISO image to a blank CD using any ISO Burning software such as BurnCDCC.

Step 2: Modify BIOS to boot from CD-ROM
Boot your locked computer. When it is powered on, check the boot-screen for setup key (e.g., DELETE key, F8 key, F2 key) to enter BIOS Setup Utility.
Choose the BOOT menu and set Boot Device Priority option: Set the 1st Boot Device to CD/DVD-ROM. Press F10 to save your changes.

Step 3: Reset forgotten Windows password
Insert the burned CD/DVD into the CD-ROM drive of your Windows 7 computer and restart the computer. The boot loading screen should appear immediately.

Wait for a few minutes until the Recover My Windows Password appears.

Reset Windows Local Password: Select the Windows SAM database (e.g., C:\Windows\system32\config\SAM), the program will automatically list all local user accounts. Select a user account and click the Reset button to reset the password to blank.
Click the Restart button to reboot the computer. Now you are able to log into your Windows 7 system without a password! It saves you much more time and trouble than reinstalling Windows OS, and won't lose any data on your computer.
