The best and easy way to reset forgotten password for windows 10 is use pre-created password reset disk to reset it. If you have created a windows 10 password reset disk, see What to do if forget windows password, or you can follow the ways below to reset or remove it as well.
Solution 1: Reset the forgotten password with another administrator account.
If you have create more than two accounts for your computer, you can try to login with the another account before you try other solutions to fix the problem. If you can login your windows with another account, and that account has the administrator privilege, you can reset the password for the locked user account without reset disk. Please follow the instructions below to reset password for your windows.Step 1: Login Windows with the available user account.
Step 2: Start -> in search box, type in CMD -> Right click cmd.exe and choose Run as administrator.
Step 3: In command prompt, type in Net User user_name new_pasword to reset the password. For example, the command Net User John pwd123 set password pwd123 for account John.
Step 4: After running the net user command successfully, you can login with the unlock user account with new password.
Solution 2: Reset windows 10 password with Ophcrack or Chntpw
In the period of windows xp, vista, and windows 7, Ophcrack and Chntpw are well known free software for recovering or resetting windows password. They are working fine with windows xp/vista/7, and they are easy to use. However, they do not work well with windows 8 and windows 10, but you can still have a try by following the guide in http://ophcrack.sourceforge.net/, and http://pogostick.net/~pnh/ntpasswd/. To create a Ophcrack USB boot disk, see How to make a Ophcrack USB bootable disk. When you use Ophcrack and Chntpw on Windows 10 computer, you may come across the problem that they cannot detect windows 10 system.Solution 3: Reset windows 10 password with Windows Password Key
This is an easy way to reset forgotten password for windows 10, you just need a workable computer and USB flash disk, and use them to create a bootable password disk. You can see how to use it as below.Step 1: Download it from HERE->> and then install it to another accessible computer. This computer can be any Windows system, including Windows 10, Windows 8.1, Windows 8 or Windows 7, or Windows XP. Then open this software quickly.
Step 2: Prepare a USB flash drive and then burn this software to the drive. Remember that this USB will be reformatted, so you have to backup the data in the USB.
Step 3: Restart the locked computer and then press F2 or F12 to change BIOS setting. Let this computer start from the USB drive. Exit BIOS and restart it again.
Step 4: After a while, you will see the whole interface of Windows Password Key. Just take it easy to change Windows 10 password.