If you forget or lose your Windows 7 password, you'll need to reset the lost password to regain access to your computer. Actually, there are lots of methods for you to reset the password. Here we gathered 3 efficient and handy Windows 7 password reset methods.

Method 1: Use Windows password recovery tool

Windows password recovery tool is designed to recover lost Windows password. Most password recovery tools allow you to burn a bootable USB flash drive or CD. With the USB flash drive or CD you can easily reset the Windows password. Here's the tutorial:

1. You need a password recovery tool. We recommend to use Windows Password Buster.

2. Install Windows Password Buster in an available computer, and then start the program.

3. Insert a USB flash drive, select "USB Disks", and then click "Next" to burn a password reset disk.

4. Boot the locked computer from the USB flash drive.

5. When you reach the following screen, select an account, and then click "Change password" to reset its password.

6. After you reset the password, click "Reboot" to reboot the computer. Then you can logon your computer with the new password.

Method 2: Use other accessible admin account

Sometimes there is more than one admin account on your computer. If you have other accessible admin account, or you are able to logon you computer via some special ways like fingerprint recognition, then you can reset Windows 7 password with this method:

1. Click the Start button, type "lusrmgr.msc" on the search bar and hit Enter key.

2. On the coming window, double-click "Local Users and Groups", and then click "Users".

3. Right-click an account, and then click "Set Password".

4. Type and confirm your new password, and then click "OK".

PS: You need to logon the computer with administrator credential, or you cannot reset the password.

Method 3: Create a Windows 7 system repair disk

Windows 7 system repair disk could help you not only repair system, but also reset lost password. To create a system repair disk, you'll need a Windows 7 PC with CD burner and a blank CD. Then follow the steps below to reset Windows 7 password:

1. Click on Start button > All Programs > Maintenance, and then click "Create a System Repair Disc".

2. Insert a blank CD/DVD, select the DVD drive in which the disk resides, and then click "Create disc".

3. Boot the locked computer from the system repair disk.

4. When you see the System Recovery Options, open a command window.

5. Type "copy c:\windows\system32\sethc.exe c:\" and hit Enter key.

6. Type "copy c:\windows\system32\cmd.exe c:\windows\system32\sethc.exe" and hit Enter key.

7. When prompted to overwrite, type "Yes" and hit Enter key.

8. Close the command window, and then restart the computer.

9. When you reach the logon screen, press the Shift key 5 times, a command window will be opened.

10. Type "net user (account name) (new password)" and hit Enter key.

11. Close the command window, and then logon the computer with the new password.

12. After that you might want to put the original sticky key file back in its place. Then you need to boot the computer from the system repair disk, and in the command window, type "copy c:\sethc.exe c:\windows\system32\sethc.exe" and hit Enter key.

Done!

PS: There are so many Windows 7 password reset methods available. You just find one that suits you best to reset the password.

Source: http://www.password-buster.com/reset-windows-7-password.html

Since I have ever done Windows Password Recovery, and I think it would be simple and easy to handle similar problem.
What you need indeed is a nice third party tool to handle this.
This is the right tool for me while I forgot Windows 8 Password. You can go ahead and take a try.

Among those three ways, I like to use the first way to reset my Windows password. But I didn't use that software, I use another one called Windows Password Killer, which is very convenient and efficient. If you get in trouble with Windows password, I think it is a good choice for you. You also can get more information from http://www.windowspasswordkiller.com

In fact, when we lost Windows password the best way is admin password or reset disk. If you have one of them you can try them at first. But when all you don't have I think the quickest and the best way will be reset software. For my experience, for reset software I prefer to Anmosoft Windows Password Reset, which can help reset, change or create a user password, and you can know more from:
http://www.resetwindowspassword.com

Good guidance! Here I once got this video guide below to reset my forgotten Windows 7 password. You can check it out in this page:
https://www.youtube.com/watch?v=N1tpgU65cUc