When you forgot or lost Windows password, resetting it becomes an urgent matter. You may be unable to log into your computer, which means you can't access any of your files or programs. If you're in this situation, don't worry. In this article, we will introduce 3 best free Windows password reset software to help you reset forgotten or lost Windows password without data loss.Part 1: Best Free Windows Password Reset Software - Kon-BootKon-Boot is one of the best free Windows password reset software. It is a small, standalone utility that can bypass the Windows password authentication without changing or deleting any files on your hard drive. That means it won't cause any data loss.To use Kon-Boot, you just need to burn it to a USB drive and then boot your computer from the USB drive. Kon-Boot will automatically bypass the Windows password and log you into the system. Once you're in, you can change your password from the Control Panel.Kon-Boot is very easy to use and it supports all versions of Windows from XP to 10. However, it only works on local accounts, so it won't work if you're using a Microsoft account.Part 2: Best Free Windows Password Reset Software - PCUnlockerPCUnlocker is another great free Windows password reset software. It can help you reset forgotten or lost Windows password for all versions of Windows from XP to 10. It supports both local accounts and Microsoft accounts.To use PCUnlocker, you need to burn it to a CD or USB drive and then boot your computer from the CD/USB. PCUnlocker will then display all the user accounts on your computer. You can select the account you want to reset the password for and then enter the new password.PCUnlocker is very easy to use and it supports all versions of Windows. However, it doesn't work on all computers. If you're using UEFI BIOS, you won't be able to use PCUnlocker.Part 3: Best Free Windows Password Reset Software - Offline NT Password & Registry EditorOffline NT Password & Registry Editor is a free and open source Windows password reset software. It can help you reset forgotten or lost Windows password for all versions of Windows from XP to 10. It supports both local accounts and Microsoft accounts.To use Offline NT Password & Registry Editor, you need to download the ISO file and then burn it to a CD or USB drive. Then you need to boot your computer from the CD/USB. Offline NT Password & Registry Editor will then load and display all the user accounts on your computer. You can select the account you want to reset the password for and then enter the new password.Offline NT Password & Registry Editor is very easy to use and it supports all versions of Windows. However, it doesn't work on all computers. If you're using UEFI BIOS, you won't be able to use Offline NT Password & Registry Editor.Part 4: Best Free Windows Password Reset Software - OphcrackOphcrack is a free and open source Windows password reset software. It can help you reset forgotten or lost Windows password for all versions of Windows from XP to 10. It supports both local accounts and Microsoft accounts.To use Ophcrack, you need to download the ISO file and then burn it to a CD or USB drive. Then you need to boot your computer from the CD/USB. Ophcrack will then load and display all the user accounts on your computer. You can select the account you want to reset the password for and then enter the new password.Ophcrack is very easy to use and it supports all versions of Windows. However, it doesn't work on all computers. If you're using UEFI BIOS, you won't be able to use Ophcrack.Part 5: Best Free Windows Password Reset Software - SamInsideSamInside is a free and open source Windows password reset software. It can help you reset forgotten or lost Windows password for all versions of Windows from XP to 10. It supports both local accounts and Microsoft accounts.To use SamInside, you need to download the ISO file and then burn it to a CD or USB drive. Then you need to boot your computer from the CD/USB. SamInside will then load and display all the user accounts on your computer. You can select the account you want to reset the password for and then enter the new password.SamInside is very easy to use and it supports all versions of Windows. However, it doesn't work on all computers. If you're using UEFI BIOS, you won't be able to use SamInside.Part 6: Best Free Windows Password Reset Software - John the RipperJohn the Ripper is a free and open source Windows password reset software. It can help you reset forgotten or lost Windows password for all versions of Windows from XP to 10. It supports both local accounts and Microsoft accounts.To use John the Ripper, you need to download the ISO file and then burn it to a CD or USB drive. Then you need to boot your computer from the CD/USB. John the Ripper will then load and display all the user accounts on your computer. You can select the account you want to reset the password for and then enter the new password.John the Ripper is very easy to use and it supports all versions of Windows. However, it doesn't work on all computers. If you're using UEFI BIOS, you won't be able to use John the Ripper.Part 7: Best Free Windows Password Reset Software - Cain & AbelCain & Abel is a free and open source Windows password reset software. It can help you reset forgotten or lost Windows password for all versions of Windows from XP to 10. It supports both local accounts and Microsoft accounts.To use Cain & Abel, you need to download the ISO file and then burn it to a CD or USB drive. Then you need to boot your computer from the CD/USB. Cain & Abel will then load and display all the user accounts on your computer. You can select the account you want to reset the password for and then enter the new password.Cain & Abel is very easy to use and it supports all versions of Windows. However, it doesn't work on all computers. If you're using UEFI BIOS, you won't be able to use Cain & Abel.Part 8: Best Free Windows Password Reset Software - NT PasswordNT Password is a free and open source Windows password reset software. It can help you reset forgotten or lost Windows password for all versions of Windows from XP to 10. It supports both local accounts and Microsoft accounts.To use NT Password, you need to download the ISO file and then burn it to a CD or USB drive. Then you need to boot your computer from the CD/USB. NT Password will then load and display all the user accounts on your computer. You can select the account you want to reset the password for and then enter the new password.NT Password is very easy to use and it supports all versions of Windows. However, it doesn't work on all computers. If you're using UEFI BIOS, you won't be able to use NT Password.Part 9: Best Free Windows Password Reset Software - L0phtCrackL0phtCrack is a free and open source Windows password reset software. It can help you reset forgotten or lost Windows password for all versions of Windows from XP to 10. It supports both local accounts and Microsoft accounts.To use L0phtCrack, you need to download the ISO file and then burn it to a CD or USB drive. Then you need to boot your computer from the CD/USB. L0phtCrack will then load and display all the user accounts on your computer. You can select the account you want to reset the password for and then enter the new password.L0phtCrack is very easy to use and it supports all versions of Windows. However, it doesn't work on all computers. If you're using UEFI BIOS, you won't be able to use L0phtCrack.Part 10: Best Free Windows Password Reset Software - Reset Windows PasswordReset Windows Password is a free and open source Windows password reset software. It can help you reset forgotten or lost Windows password for all versions of Windows from XP to 10. It supports both local accounts and Microsoft accounts.To use Reset Windows Password, you need to download the ISO file and then burn it to a CD or USB drive. Then you need to boot your computer from the CD/USB. Reset Windows Password will then load and display all the user accounts on your computer. You can select the account you want to reset the password for and then enter the new password.Reset Windows Password is very easy to use and it supports all versions of Windows. However, it doesn't work on all computers. If you're using UEFI BIOS, you won't be able to use Reset Windows Password.Part 11: Best Free Windows Password Reset Software - TrustedSecTrustedSec is a free and open source Windows password reset software. It can help you reset forgotten or lost Windows password for all versions of Windows from XP to 10. It supports both local accounts and Microsoft accounts.To use TrustedSec, you need to download the ISO file and then burn it to a CD or USB drive. Then you need to boot your computer from the CD/USB. TrustedSec will then load and display all the user accounts on your computer. You can select the account you want to reset the password for and then enter the new password.Tr