Here is the simplest way to reset windows 7 admin password with a password recovery tool—Windows Login Recovery, which can perform help you recover Windows administrator password, standard user password on Windows 7 / Vista / Server 2008 / 2003, etc and also get in just 4 steps:
1. Download Windows Login Recovery.
2. Run the program to burn a password reset bootable CD/DVD or USB flash drive.
3. Reset the Windows 7 password forgotten to blank.
4. Log on again with no password.
With just 4 steps to reset a lost Windows 7 password to blank, you can get the software when you are locked out of your computer. Now you have made your lost Windows 7 password reset, the password recovery tool can be used next time. But for double security, you’d better create a Password Reset Disk to prevent lost windows 7 password:

1. Click the Windows Flag Button in the lower-left corner of the Screen.

2. Click "Control Panel".

3. Click "User Accounts and Family Safety" and "User Accounts".

4. Click "Create Password Reset Disk" on the left.

5. Follow the application as it guides you through creating a windows 7 password reset disk. Have a blank disk or a flash drive ready. Once completed, make sure to place the disk in a secure, but easy to remember location.