REMOVE ADMINISTRATOR PASSWORD OF ALL WINDOWS OS(Win7, Win8, AND Win10)

Steps:

1. Download the ISO image of Kali Linux and make it bootable via usb of cd. see here>>> https://youtu.be/XQbnmMo2BJA
2. Boot With Kali Linux Usb Or Cd depends on what you are using
3. After booting from USb/Cd, you will see Kali Linux Boot Menu. Choose the 3rd option which is Live (forensic mode).
4. Enter default username as root and password as toor if prompted, if not continue with the next step.
5. Open File Manager and navigate to the directory where SAM is Saved. Usually located in /Windows/System32/Config. Right click on Config and select Open Terminal.
6. Type this command: chntpw -l SAM. this will show the list of username found in the SAM on your Windows OS
7. Run this command chntpw -u username SAM to reset your lost password. Note: Replace username with the actual name of your Windows account. For example my username is Komki then, I should type like this chntpw -u Komki SAM then hit Enter.
8. Press 1 then Enter for clearing the previously set Windows password
9. Press q then Enter, and you will be asked if you want to save the changes to the SAM hive, Press y then Enter, and your done...!!!
10. Reboot you Computer and remove USB or Cd and you will see your Windows automatically login without password.