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How-To Remove Windows Password

Lots of Windows users are loosing their passwords and most of them don't know how to recover it. Removing all your data and writing windows again is not good choose.
You can easyly remove your password using Ubuntu live boot and chntpw program.
What we need:
  1. USB Flash Drive
  2. Ubuntu LTS or other version (Go to ubuntu.com and download LTS or last stable version)
  3. Unetbootin (This program will install ubuntu system to your usb flash drive)
  4. Follow the tutorial
Download and write Ubuntu to your usb flash drive using unetbootin. Then connect your usb flash drive to your computer where you need to restore your password.
Press boot key in your computer. Every computer have different boot key, mostly it is F12, Delete, F8, F2, ESC or F7. You can search google to learn which key is for your computer. And also you can try to enter all keys from F1 to F12 and ESC, DEL. You must press this key after pressing turn on button on your computer. If Windows logo will appear, it will mean that you pressed wrong key. Try till you boot menu will appear.
From boot options in boot menu select your usb drive.
Ubuntu window will appear. After Ubuntu loads, It will ask you Install or Try, select Try and then Ubuntu Desktop will appear.

Now, Open terminal, press Ctrl+Alt+T keys at same time.
In terminal window write this command and press Enter:

sudo apt-get install chntpw


This command will install chntpw program.
Now, mount your drive where Windows is installed. Open nautilus (folder icon, or open unity and search for program named "Files"), in left side you will see "Devices" section. Open these devices, and the if there is Program Files, Users, Windows folders in drive, this one is which we need. Press Ctrl+L and address of this disk will appear, copy it.

Open Terminal again, write cd and paste address of folder. Press enter. Now, enter ls and you will see folders.
You must go to System folder, enter: cd Windows/System32/config and press Enter.

Now, run the program, enter this command in terminal: sudo chntpw -l SAM.

Follow commands and delete password of Windows, then reboot back to Windows.

Voilà


PS. If you can not bood Ubuntu from your USB Flash Driver, then try to open boot settings, and Disable "FastBoot/QuickBoot" or "Intel Smart Response Technology/SRT".