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Reset Windows 8.1 password with the free tool ntpasswd

ntpasswd (Offline NT Password & Registry Eidtor) is a free and easy-to-use tool that allows

you to reset a Windows 8.1 password on a computer where you forgot your password.

By Michael Pietrofor te - Fri, July 4, 2014 - 3 comments 

Michael Pietrof orte is the founder and editor of 4sysops. He is a Microsoft

Most Valuable Professional (MVP) with more than 30 years of experience

in system administration.

 Articles in this series

Reset Windows password

1. Reset Windows 7 / 8 administrator password

2. Reset Windows 8.1 password with the free tool ntpasswd

3. How to reset a Windows 8 password

4. Forgot the administrator password? The Sticky Keys trick

5. How to reset a Microsoft account password (connected account)

6. Offline enable the Windows 8 built-in administrator account

7. FREE: NTPWEdit – Reset Windows 7 password8. FREE: Trinity Rescue Kit (TRK) – Recover Windows using Linux

9. Forgot the domain admin password?

10. Prevent Windows password reset hacks

11. Reset a Windows 10 password

12. Recover a Microsoft account password

I used ntpasswd for the first time on a Windows 2000 computer about 13 years ago, when I tried to

crack Microsoft’s new Encrypting File System (EFS) for a review for a German magazine. To my

amazement, it took me only a few minutes to reset the administrator password and access the

EFS files. Microsoft soon fixed the EFS vulnerability, but resetting the password still works on the

latest Microsoft OS Windows 8.1 Update. You can’t really blame Microsoft for this, because

anything is doable whenever you can boot from a second OS and access an unencrypted

Windows installation.

You can’t set a new password with ntpasswd, but you can easily set a blank password on any

account. Most admins will be able to use the tool without any instructions. The step-by-step guide

 Type and hit enter to search About Forum More Login

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below should work for Windows XP, Windows Vista, Windows 7, Windows 8, and Windows 8.1

with Update.

1. After you download ntpasswd, you have to burn it on a DVD by right-clicking the ISO file. If 

you have an older Windows version that doesn’t support ISO burning, you can use the free

ISO Recorder . If you don’t have an optical drive and you want to boot from a flash drive, you

can use the free tool Rufus.

2. Next, you have to ensure that the DVD or flash drive comes before the system drive in the

boot order of your BIOS settings. Most PCs allow you to access the PC setup by pressing F2

right after you turn the PC on.

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3. After you boot ntpasswd, you should see the following screen. If you have more than one

Windows installation on the computer, be sure to choose the correct one.

4. On the next screen, you can just press Enter to start the password reset process.

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5. Press Enter to select “Edit user data and passwords.”

6. Choose the user account where you want to reset the password. You can find the RID, which

you have to enter now, to the left of the username.

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7. You can now quit editing the user.

8. Next, quit editing the SAM database.

9. On the next screen, confirm that you want to write back the changes by typing “y”.

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10. You are now done editing the SAM database. Just press Enter.

11. The password reset process is now completed. Reboot your computer by pressing CTRL-

 ALT-DEL.

This wasn’t difficult, right? If you are worried that someone might use ntpasswd or a similar tool,

such as Trinity Rescue Kit, to get admin access to one of the computers in your network, you

should read my next post, where I will explain what you can do to prevent such password reset

hacks.

Series Navigation

Reset Windows 7 / 8 administrator password  - How to reset a Windows 8 password

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3 Comments- Leave a Reply 

Alireza sheykh (Iran) says:

June 9, 2015 at 7:54 pm

Tanks a lot.

Michael Pietroforte says:

 August 18, 2015 at 12:36 pm

You are welcome.

kammas says:

September 7, 2015 at 1:43 pm

I got a problem with this method.i ts bootin fine from the usb my laptop inspiron 15 with win 8.1

but it says that the pc is hibernated…after some research i found out that it was caused from

fast starup option wich was checked.i tried to uncheck but i am not admin and it failed.any

solutions?

Please share your thoughts in a comment!